The Girl Before book cover

The Girl Before by J.P. Delaney Summary

The Girl Before
J.P. Delaney
Thriller
Psychology
Mystery
Fiction
Overview
Key Takeaways
Author
FAQs

Overview of The Girl Before

Two women, same house, same rules, same deadly obsession. "The Girl Before" - the psychological thriller that sold over a million copies worldwide and had Lee Child "dazzled." What dark secrets lie within minimalist perfection? Ron Howard's adaptation proves some homes demand more than rent.

Key Takeaways from The Girl Before

  1. The Girl Before follows two women in the same minimalist house.
  2. Edward Monkford's One Folgate Street enforces over 200 strict living rules.
  3. J.P. Delaney uses dual timelines to unravel Emma's mysterious death.
  4. Both Emma and Jane move in seeking escape from traumatic pasts.
  5. The architect Edward Monkford buried his family under the building's foundation.
  6. Emma and Jane both fall for the controlling architect independently.
  7. Simon, Emma's ex-boyfriend, is ultimately revealed as her killer.
  8. Jane discovers hidden surveillance cameras installed throughout One Folgate Street.
  9. The thriller explores themes of obsessive control and dangerous perfectionism.
  10. Emma fabricated multiple events including details about her sexual assault.
  11. Jane must outsmart Simon's deadly obsession to survive the climax.
  12. Delaney's novel warns against sacrificing humanity for architectural perfection.

Overview of its author - J.P. Delaney

J.P. Delaney is the bestselling author of The Girl Before, a gripping psychological thriller that became a global phenomenon upon its 2017 release.

Writing under a pseudonym, Delaney has previously published award-winning fiction under other names, bringing years of storytelling expertise to the psychological suspense genre. The Girl Before showcases his talent for crafting dark, complex female protagonists and exploring themes of obsession, control, and minimalist perfection.

Known for his meticulous writing process—often completing up to twenty redrafts—Delaney has continued to captivate readers with subsequent thrillers including Believe Me, The Perfect Wife, and Playing Nice. The Girl Before has been published in over forty countries and is being adapted into a major film by Academy Award-winning director Ron Howard, cementing Delaney's reputation as a master of psychological suspense.

Common FAQs of The Girl Before

What is The Girl Before by J.P. Delaney about?

The Girl Before is a psychological thriller that follows two women, Emma and Jane, who live in the same minimalist house at One Folgate Street at different times. The story alternates between past and present as Jane investigates the mysterious death of Emma, the previous tenant, while both women become entangled with Edward Monkford, the enigmatic architect who designed the house. The novel explores themes of control, obsession, and the dangerous parallels between their lives.

Who should read The Girl Before by J.P. Delaney?

The Girl Before is perfect for fans of psychological thrillers with unreliable narrators and dark, twisty plots. Readers who enjoyed Gone Girl by Gillian Flynn and The Girl on the Train by Paula Hawkins will find similar suspense and complex character dynamics. This book appeals to those who appreciate atmospheric settings, dual narratives, and mysteries that keep them guessing until the final reveal. Anyone seeking a fast-paced thriller with themes of control and domestic intrigue should pick this up.

Is The Girl Before worth reading?

The Girl Before is worth reading for its gripping premise and suspenseful pacing that keeps readers engaged throughout. The unique setting of a high-tech, minimalist house with strict rules creates an almost claustrophobic atmosphere that serves as both sanctuary and prison. While some reviewers found the romantic subplot predictable and certain plot twists stretched believability, the parallel narratives and mystery surrounding Emma's death make it an entertaining thriller. Most readers gave it solid ratings between 3.5 to 4 out of 5 stars.

Who is J.P. Delaney, author of The Girl Before?

J.P. Delaney is a pseudonym for a writer who has previously authored bestselling fiction under other names. The Girl Before, published in 2016, gained significant attention and was optioned for a film adaptation by Academy Award-winning director Ron Howard. Delaney's identity as an established author writing under a pen name adds intrigue to the novel's publication. The decision to use a pseudonym allowed the author to explore the psychological thriller genre with fresh positioning in the market.

What is One Folgate Street in The Girl Before?

One Folgate Street is the austere, minimalist house at the center of The Girl Before, designed by innovative architect Edward Monkford. The high-tech London flat is an architectural marvel offered at surprisingly affordable rent, but tenants must follow a long list of strict rules and answer intrusive questions during the application process. The house features hidden cameras in every room and advanced technology that can malfunction or be controlled remotely. Its stark, clean design reflects themes of control versus freedom, with the house itself feeling almost alive and watching its inhabitants.

What are the rules of living at One Folgate Street?

The Girl Before features a lengthy application process and strict rules for living at One Folgate Street that control nearly every aspect of tenants' lives. Residents must embrace extreme minimalism, keeping only essential possessions and maintaining the house's austere aesthetic. Edward Monkford's rules extend beyond simple house maintenance, creating both a sanctuary and a prison for Emma and Jane. These restrictions reflect the novel's exploration of control, with tenants sacrificing personal freedom for the opportunity to live in this architectural masterpiece.

What happened to Emma in The Girl Before by J.P. Delaney?

Emma died in a fall down the dangerous staircase at One Folgate Street, and the central mystery revolves around whether it was an accident, suicide, or murder. As Jane investigates, she discovers that Emma had lied about many events, including being raped during a home break-in—she was actually having an affair with a coworker named Saul. The climax reveals that Simon, Emma's ex-boyfriend, was the killer who caused her fall. He later attempts to murder Jane when she uncovers the truth, but she manages to defend herself, causing Simon to fall to his death down the same stairs.

What are the main themes in The Girl Before?

The Girl Before explores themes of control versus freedom, with the minimalist house serving as both sanctuary and prison for its inhabitants. Psychological manipulation and obsession run throughout, particularly in Edward Monkford's relationships with both women and the house's surveillance capabilities. The novel examines grief and trauma, as both Emma and Jane seek rebirth after tragic events—Emma following a home invasion and Jane after delivering her stillborn daughter Isabel. Additional themes include truth versus deception, as Emma's lies unravel, and the dangerous patterns that repeat when we fail to learn from the past.

How does The Girl Before compare to Gone Girl?

The Girl Before shares similarities with Gone Girl through dark, twisty plots and complex, unreliable characters who keep readers guessing. Both novels are psychological thrillers featuring dual perspectives that gradually reveal shocking truths about relationships and deception. However, The Girl Before focuses more on atmospheric tension created by the minimalist house setting and themes of control, while Gone Girl emphasizes marriage dynamics and media manipulation. The Girl Before also incorporates technology and architectural elements that aren't present in Gillian Flynn's novel, giving it a unique edge in the thriller genre.

What is the twist ending in The Girl Before?

The major twist reveals that Simon, Emma's ex-boyfriend, murdered Emma and has been manipulating events at One Folgate Street through the house's technology. Jane discovers Simon has been spying on her through hidden cameras, knew about her pregnancy without being told, and was jamming the house systems to terrorize her. When Jane realizes the truth, Simon traps her in the house with lighter fluid, forcing a confrontation at the top of the stairs. In a dramatic reversal, Jane tricks Simon by pretending to comply, then throws pearls at him, causing him to trip and fall down the same staircase where Emma died.

What are the main criticisms of The Girl Before by J.P. Delaney?

Critics noted that Emma and Jane lack distinct personalities, with only slight differences in language reminding readers which character they're following. Edward Monkford is frequently described as a dull character who mainly appears for explicit sexual encounters and cooking lavish meals, making it difficult to understand why both women become obsessed with him. The romantic subplot felt forced and predictable, following the familiar trope of the brooding, mysterious man. Some readers also found certain plot twists stretched believability and the book had a "Fifty Shades" quality that didn't appeal to all audiences. Additionally, the lack of quotation marks interfered with reading flow for some readers.

Books similar to The Girl Before by J.P. Delaney

Readers who enjoyed The Girl Before should explore:

  • The Girl on the Train by Paula Hawkins, which features psychological suspense with unreliable narrators and multiple perspectives.
  • Gone Girl by Gillian Flynn offers similarly dark, twisty plots with complex characters and shocking revelations.
  • Behind Closed Doors by B.A. Paris explores themes of control and domestic life with chilling twists comparable to The Girl Before.

These thrillers all feature female protagonists investigating mysteries while dealing with their own psychological struggles and unreliable perceptions of reality.

Similar books to The Girl Before

Start Reading Your Way
Quick Summary

Feel the book through the author's voice

Deep Dive

Turn knowledge into engaging, example-rich insights

Flash Card

Capture key ideas in a flash for fast learning

Build

Customize your own reading method

Fun

Enjoy the book in a fun and engaging way

Explore Your Way of Learning
The Girl Before isn't just a book — it's a masterclass in Thriller. To help you absorb its lessons in the way that works best for you, we offer five unique learning modes. Whether you're a deep thinker, a fast learner, or a story lover, there's a mode designed to fit your style.

Quick Summary Mode - Read or listen to The Girl Before Summary in 8 Minutes

Quick Summary
Quick Summary
The Girl Before Summary in 8 Minutes

Break down knowledge from J.P. Delaney into bite-sized takeaways — designed for fast, focused learning.

play
00:00
00:00

Flash Card Mode - Top 10 Insights from The Girl Before in a Nutshell

Flash Card Mode
Flash Card Mode
Top 10 Insights from The Girl Before in a Nutshell

Quick to review, hard to forget — distill J.P. Delaney's wisdom into action-ready takeaways.

Flash Mode Swiper

Fun Mode - The Girl Before Lessons Told Through 21-Min Stories

Fun Mode
Fun Mode
The Girl Before Lessons Told Through 21-Min Stories

Learn through vivid storytelling as J.P. Delaney illustrates breakthrough innovation lessons you'll remember and apply.

play
00:00
00:00

Build Mode - Personalize Your The Girl Before Learning Experience

Build Mode
Build Mode
Personalize Your The Girl Before Learning Experience

Shape the voice, pace, and insights around what works best for you.

Detail Level
Detail Level
Tone & Style
Tone & Style

From Columbia University alumni
built in San Francisco

BeFreed Brings Together A Global Community Of 120,000+ Curious Minds

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn
platform
starstarstarstarstar

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@@Chloe, Solo founder, LA
platform
comments12
likes117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw
platform
starstarstarstarstar

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
platform
comments12
likes108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
platform
comments254
likes17

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore
platform
starstarstarstarstar

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful
platform
comments96
likes4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP
platform
starstarstarstarstar

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon
platform
comments201
thumbsUp16

"It is great for me to learn something from the book without reading it."

@OojasSalunke
platform
starstarstarstarstar

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn
platform
comments37
likes483

"Makes me feel smarter every time before going to work"

@Cashflowbubu
platform
starstarstarstarstar

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn
platform
starstarstarstarstar

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@@Chloe, Solo founder, LA
platform
comments12
likes117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw
platform
starstarstarstarstar

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
platform
comments12
likes108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
platform
comments254
likes17

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore
platform
starstarstarstarstar

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful
platform
comments96
likes4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP
platform
starstarstarstarstar

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon
platform
comments201
thumbsUp16

"It is great for me to learn something from the book without reading it."

@OojasSalunke
platform
starstarstarstarstar

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn
platform
comments37
likes483

"Makes me feel smarter every time before going to work"

@Cashflowbubu
platform
starstarstarstarstar

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn
platform
starstarstarstarstar

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@@Chloe, Solo founder, LA
platform
comments12
likes117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw
platform
starstarstarstarstar

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
platform
comments12
likes108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
platform
comments254
likes17

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore
platform
starstarstarstarstar

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful
platform
comments96
likes4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP
platform
starstarstarstarstar

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon
platform
comments201
thumbsUp16

"It is great for me to learn something from the book without reading it."

@OojasSalunke
platform
starstarstarstarstar

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn
platform
comments37
likes483

"Makes me feel smarter every time before going to work"

@Cashflowbubu
platform
starstarstarstarstar
Start your learning journey, now

Your personalized audio episodes, reflections, and insights — tailored to how you learn.

Download This Summary

Get the The Girl Before summary as a free PDF or EPUB. Print it or read offline anytime.