My Sister, the Serial Killer: A Novel book cover

My Sister, the Serial Killer Summary

A Novel

Oyinkan Braithwaite
3.63(365512 Reviews)

My Sister, the Serial Killer Summary Overview

When a Nigerian woman cleans up her sister's murders, family loyalty meets moral crisis. This darkly comedic thriller sold 250,000+ copies, made Braithwaite the first Black British Book Award winner for Crime & Thriller, and caught Hollywood's eye. What would you do for blood?

Key Themes in the My Sister, the Serial Killer Summary

  • toxic sisterhood
  • beauty privilege
  • moral complicity
  • forensic cleanup
  • sibling rivalry

Best Quotes from the My Sister, the Serial Killer Summary

  • Ayoola summons me with these words—Korede, I killed him.

  • Korede, I killed him.

  • At least he won't be lonely.

  • For protection.

  • Beauty becomes Ayoola's alibi.

Characters in the My Sister, the Serial Killer Summary

  • KoredeThe practical nurse and protective older sister
  • AyoolaKorede's beautiful and murderous younger sister
  • Dr. TadeThe handsome doctor Korede secretly loves
  • FemiAyoola's boyfriend and her third victim

About the Author

About the Author of My Sister, the Serial Killer

Oyinkan Braithwaite is the bestselling Nigerian-British author of My Sister, the Serial Killer, a darkly comedic crime thriller that has captivated readers worldwide. Born in Lagos in 1988, Braithwaite brings a fresh, genre-bending voice to contemporary African literature, blending noir, satire, and sharp social commentary on family dynamics, beauty standards, and morality within Nigerian society.

A graduate of Creative Writing and Law from Kingston University, Braithwaite worked as an assistant editor at Kachifo Limited before pursuing writing full-time. Her lean, punchy prose and fearless exploration of sibling loyalty and violence earned her the 2019 LA Times Award for Best Crime Thriller, a Women's Prize for Fiction shortlist nomination, and a Booker Prize longlisting. She has also published The Baby Is Mine and the short story collection Treasure.

My Sister, the Serial Killer has been translated into over 30 languages and sold millions of copies worldwide, establishing Braithwaite as a leading voice in international crime fiction.

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