Why I Killed My Best Friend
Nicki Grace
Reader Reviews
4.7
3 ratings
Carina P.
Mar 14, 2026
Nicki Grace delivers a razor‑sharp, emotionally loaded gut punch disguised as a confession. This book isn’t about shock value — it’s about the slow, suffocating unraveling of a friendship that was too intense, too tangled, and too full of unspoken truths to survive untouched.
Nicki unravels loyalty, jealousy, and buried truth with a narrator you can’t trust but can’t stop reading. It’s tense, messy, and haunting in the best way — a quick read that sticks under your skin. This was my first book by Nicki, and it definitely won’t be my last.
Nicki unravels loyalty, jealousy, and buried truth with a narrator you can’t trust but can’t stop reading. It’s tense, messy, and haunting in the best way — a quick read that sticks under your skin. This was my first book by Nicki, and it definitely won’t be my last.
Karen B.
Feb 25, 2026
Why I Killed My Best Friend
~Nicki Grace
“Share this book with your best friend—because sometimes the only answer is to kill for them… or to simply kill them.”
What. The. Actual. F*%#?! My brain is still reeling.
Nicki Grace has absolutely outdone herself with Why I Killed My Best Friend. If you want emotion - check. Drama - check. Murd3r - check. Unhinged chaos – checkity, check, check, check!
I actually went back and reread sections just to make sure I’d comprehended what I thought I’d just read. This review will stay light on details because, trust me, this is one story you need to experience blind. All I’ll say is: by the time you finish, you’ll question everyone around you… maybe even yourself.
Grace kicks things off with a chilling prologue - Melissa “Mouse” Gillespie sits in an interrogation room across from Detective Mueller, accused of murdering her best friend, Julianna “Jules” Cardozo, whose body was found behind her favorite bar, Banter. To complicate matters, a serial predator is on the loose, targeting women who look disturbingly similar to both Mouse and Jules.
Told through shifting POVs and timelines, Grace gives us a layered, emotional deep-dive into Mouse’s connections - with Jules, with Rowan (her overprotective game-developer boyfriend), with Benji (her trauma-stricken, drug-using brother), and with Dr. Loomis (the third therapist to attempt to untangle her past) just to name a few.
Each character feels raw, real, and vividly human. Their flaws, pain, and tangled relationships pull you straight into their world until you can feel their tension. Mouse herself is a standout - complex, scarred, and chaotic in the best possible way.
Grace weaves dark suspense, razor-sharp pacing, and cinematic detail into a story that’s equal parts thriller and emotional gut punch - sprinkled with moments of biting humor and topped with twists so wild they’ll make your head spin.
I went into Why I Killed My Best Friend expecting brilliance - Grace always delivers - but I wasn’t ready for how deliciously demented this treat would be. If you crave a psychological thriller that grabs you from the prologue and refuses to let go until the final page, leaving you slightly breathless (and possibly side-eyeing your bestie)… this is the one.
Releasing December 23, 2025 – Pre-order now, and prepare yourself.
~Nicki Grace
“Share this book with your best friend—because sometimes the only answer is to kill for them… or to simply kill them.”
What. The. Actual. F*%#?! My brain is still reeling.
Nicki Grace has absolutely outdone herself with Why I Killed My Best Friend. If you want emotion - check. Drama - check. Murd3r - check. Unhinged chaos – checkity, check, check, check!
I actually went back and reread sections just to make sure I’d comprehended what I thought I’d just read. This review will stay light on details because, trust me, this is one story you need to experience blind. All I’ll say is: by the time you finish, you’ll question everyone around you… maybe even yourself.
Grace kicks things off with a chilling prologue - Melissa “Mouse” Gillespie sits in an interrogation room across from Detective Mueller, accused of murdering her best friend, Julianna “Jules” Cardozo, whose body was found behind her favorite bar, Banter. To complicate matters, a serial predator is on the loose, targeting women who look disturbingly similar to both Mouse and Jules.
Told through shifting POVs and timelines, Grace gives us a layered, emotional deep-dive into Mouse’s connections - with Jules, with Rowan (her overprotective game-developer boyfriend), with Benji (her trauma-stricken, drug-using brother), and with Dr. Loomis (the third therapist to attempt to untangle her past) just to name a few.
Each character feels raw, real, and vividly human. Their flaws, pain, and tangled relationships pull you straight into their world until you can feel their tension. Mouse herself is a standout - complex, scarred, and chaotic in the best possible way.
Grace weaves dark suspense, razor-sharp pacing, and cinematic detail into a story that’s equal parts thriller and emotional gut punch - sprinkled with moments of biting humor and topped with twists so wild they’ll make your head spin.
I went into Why I Killed My Best Friend expecting brilliance - Grace always delivers - but I wasn’t ready for how deliciously demented this treat would be. If you crave a psychological thriller that grabs you from the prologue and refuses to let go until the final page, leaving you slightly breathless (and possibly side-eyeing your bestie)… this is the one.
Releasing December 23, 2025 – Pre-order now, and prepare yourself.
Rachel B.
Feb 8, 2026
“Why I Killed My Best Friend” by Nicki Grace is dark, suspenseful, and surprisingly funny — a perfect mix of twisted humor and psychological tension. Beneath the sharp dialogue and quick pacing lies a story packed with betrayal, lies, and long-buried secrets.
I loved every minute of this story and couldn’t put it down. A wickedly entertaining read that keeps you guessing until the very end.
I loved every minute of this story and couldn’t put it down. A wickedly entertaining read that keeps you guessing until the very end.