
Stephen Chbosky's horror masterpiece - banned in Florida schools - plunges readers into a supernatural nightmare that rivals Stephen King. The NYT bestseller and Goodreads Award runner-up asks: what happens when an imaginary friend becomes terrifyingly real?
Stephen Chbosky is the bestselling author of Imaginary Friend, a psychological horror novelist, screenwriter, and director known for emotionally resonant storytelling. Born in Pittsburgh, Pennsylvania in 1970, Chbosky's Imaginary Friend is a horror epic following a young boy named Christopher who hears a mysterious voice instructing him to build a treehouse.
This marked a bold genre shift from his cultural phenomenon, The Perks of Being a Wallflower (1999), though both works reflect his gift for capturing complex inner lives. Drawing inspiration from horror master Stephen King, Chbosky spent nearly a decade crafting Imaginary Friend's haunting narrative.
A graduate of the University of Southern California's Filmic Writing Program, Chbosky has written and directed acclaimed films including The Perks of Being a Wallflower (2012), Wonder (2017), and Dear Evan Hansen (2021). Imaginary Friend debuted as a Top Ten New York Times Bestseller, while The Perks of Being a Wallflower has been translated into 31 languages and sold millions of copies worldwide.
Imaginary Friend by Stephen Chbosky is a psychological horror novel centered on a young boy named Christopher who begins hearing a mysterious voice that only he can hear. The voice insists that Christopher build a treehouse, setting off a chilling and supernatural chain of events. Published in October 2019, this horror epic marks a dramatic genre shift from Chbosky's celebrated coming-of-age work.
Stephen Chbosky is an American author, screenwriter, and film director best known for writing The Perks of Being a Wallflower. Born in Pittsburgh, Pennsylvania in 1970, Chbosky conceived the idea for Imaginary Friend seventeen years before its publication but didn't begin writing until about ten years ago. He graduated from the University of Southern California's Filmic Writing Program and has directed films including Wonder and Dear Evan Hansen.
Imaginary Friend by Stephen Chbosky appeals to readers who enjoy psychological horror, supernatural thrillers, and epic-length narratives. Fans of Stephen King's atmospheric horror or those who appreciated Chbosky's emotional depth in The Perks of Being a Wallflower will find this book compelling. The novel suits mature readers comfortable with darker themes who want a departure from traditional young adult fiction into more intense horror territory.
Imaginary Friend by Stephen Chbosky is worth reading if you enjoy ambitious horror novels with psychological depth. The book debuted as a Top Ten New York Times Bestseller, demonstrating strong reader reception. While it represents a significant genre departure from Chbosky's previous work, his skill in crafting emotionally resonant characters translates effectively to the horror genre. The novel offers a lengthy, immersive experience for readers seeking substantive horror fiction.
Imaginary Friend by Stephen Chbosky is classified as a psychological horror novel, marking Stephen Chbosky's first venture into the horror genre. Unlike his coming-of-age debut, this book embraces supernatural elements, dark atmospheric tension, and frightening scenarios. The epic length and complex narrative structure distinguish it from typical horror fare, blending psychological suspense with supernatural terror to create a multifaceted reading experience.
Imaginary Friend differs dramatically from The Perks of Being a Wallflower in genre, tone, and scope. While The Perks of Being a Wallflower is an intimate coming-of-age story told through letters, Imaginary Friend is an expansive psychological horror epic. The shift represents Chbosky's evolution as a writer, moving from teenage introspection to supernatural terror. Despite the genre change, both books showcase Chbosky's talent for exploring complex emotional landscapes and character development.
Imaginary Friend by Stephen Chbosky was published in October 2019, marking a twenty-year gap since his debut novel The Perks of Being a Wallflower. The lengthy interval between books occurred because Chbosky focused on his screenwriting and directing career, including adapting The Perks of Being a Wallflower for film. He didn't consider himself a "proper author" after his first novel's success, initially viewing book writing as a one-time endeavor.
Stephen Chbosky spent approximately ten years actively writing Imaginary Friend, though the initial concept emerged seventeen years before publication. After completing The Perks of Being a Wallflower screenplay, Chbosky rediscovered his passion for prose writing and decided to tackle the horror novel he'd been contemplating. The extended timeline reflects both the book's ambitious scope and Chbosky's simultaneous commitments to film and television projects throughout this period.
Imaginary Friend by Stephen Chbosky debuted as a Top Ten New York Times Bestseller upon its October 2019 release. This commercial success demonstrated that readers embraced Chbosky's genre shift into horror despite his established reputation for young adult coming-of-age fiction. The bestseller status validated the decade-long effort Chbosky invested in crafting this ambitious horror epic and proved his storytelling abilities transcend genre boundaries.
The main character in Imaginary Friend by Stephen Chbosky is a young boy named Christopher. Christopher becomes the focal point of the horror narrative when he begins hearing a voice that only he can perceive. The voice's mysterious directive for Christopher to build a treehouse drives the novel's central conflict. Chbosky's choice of a child protagonist adds vulnerability and innocence to the psychological horror elements.
Stephen Chbosky wrote Imaginary Friend to explore the horror genre he enjoyed as a teenager, having grown up reading "a good blend of the classics, horror, and fantasy". After The Perks of Being a Wallflower's success, Chbosky initially returned to filmmaking but eventually rediscovered his love for prose when working on the screenplay adaptation. The horror novel represented both a creative challenge and a return to the genre influences that shaped his youth.
Imaginary Friend represents Stephen Chbosky's only published horror novel compared to his coming-of-age classic The Perks of Being a Wallflower. While both books demonstrate Chbosky's talent for emotional depth and character development, Imaginary Friend operates on a larger, more supernatural scale. The two novels showcase Chbosky's versatility as a writer, proving his storytelling prowess extends beyond the young adult contemporary fiction that established his literary reputation.
Feel the book through the author's voice
Turn knowledge into engaging, example-rich insights
Capture key ideas in a flash for fast learning
Enjoy the book in a fun and engaging way
Death is coming. Death is here. We'll die on Christmas Day.
Break down key ideas from Imaginary Friend into bite-sized takeaways to understand how innovative teams create, collaborate, and grow.
Distill Imaginary Friend into rapid-fire memory cues that highlight key principles of candor, teamwork, and creative resilience.

Experience Imaginary Friend through vivid storytelling that turns innovation lessons into moments you'll remember and apply.
Ask anything, pick the voice, and co-create insights that truly resonate with you.

From Columbia University alumni built in San Francisco
"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."
"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."
"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."
"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."
"Reading used to feel like a chore. Now it’s just part of my lifestyle."
"Feels effortless compared to reading. I’ve finished 6 books this month already."
"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."
"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."
"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"
"It is great for me to learn something from the book without reading it."
"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."
"Makes me feel smarter every time before going to work"
From Columbia University alumni built in San Francisco

Get the Imaginary Friend summary as a free PDF or EPUB. Print it or read offline anytime.
In the quiet town of Mill Grove, Pennsylvania, seven-year-old Christopher Reese and his mother Kate are starting over, fleeing an abusive relationship and seeking stability. But this seemingly peaceful town harbors ancient secrets that will soon envelop them both. When Christopher follows a strange smiling cloud into the forbidden Mission Street Woods, he disappears for six days. The town panics, search parties comb the forest, and Kate faces her worst nightmare. Then, miraculously, Christopher emerges-changed. His learning disabilities vanish overnight. He can suddenly read perfectly, excel at math, and even predict winning lottery numbers. But with these gifts come disturbing symptoms: severe headaches, nosebleeds, and whispers from an "imaginary friend" who instructs him to build a treehouse before Christmas. What begins as a child's mysterious disappearance evolves into a battle between cosmic forces, with Christopher caught in the middle of an age-old war between light and darkness.