Based on your book
by Daphne Benedis-Grab
I Know You Started It plunges you into a tense middle school mystery when a locker fire ignites a hunt for the truth. Four students – Eva, Dani, Liam, and Gabe – each with their own secrets and reasons to find the culprit, take it upon themselves to investigate. As they dig through rumors and hidden agendas, the clock is ticking; if they don't unmask the arsonist, one of them might take the fall. What makes this book so compelling is the feeling of being right there with them, sifting through conflicting accounts and wondering who you can trust. The pace is relentless, pulling you through twists and turns as you try to solve the puzzle alongside these kids. This is for readers who enjoy a fast-moving, high-stakes whodunit, especially if you love stories where everyone has something to hide and the truth is slippery. You'll be guessing until the very end.
If you found yourself gripped by I Know You Started It and its twisting corridors of suspicion, you're in for a treat with our curated list. We’ve picked these books because they all share that electrifying feeling of a high-stakes "who did it" mystery, often told through multiple, sometimes conflicting, perspectives. You'll find protagonists digging through webs of secrets and lies, just like Eva, Dani, Liam, and Gabe, racing against time to uncover the truth before it's too late. Whether it's a school fire or a small-town murder, these stories excel at keeping you guessing about who you can trust and what really happened.
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This book is a quintessential YA mystery where five students walk into detention, but only four make it out alive. Like 'I Know You Started It,' it features a group of teens with secrets, lies, and a central 'who did it' mystery that unravels through multiple perspectives.
Fans will enjoy the determined teen protagonist who reopens a closed murder case, uncovering a web of long-buried secrets and lies in her small town. The investigative drive and the pursuit of truth against skepticism mirror the core appeal of 'I Know You Started It.'
by E. Lockhart
This literary YA mystery delves into the secrets and lies of a wealthy, dysfunctional family and a tragic summer event, featuring an unreliable narrator. The psychological suspense and the gradual, shocking reveal of truth will resonate with readers who enjoyed the deeper themes of 'I Know You Started It.'
Set at an elite boarding school, this book blends a historical cold case with a present-day mystery, offering a complex web of clues and secrets to unravel. The clever protagonist and intricate puzzle-solving will appeal to those who enjoy the investigative aspect of 'I Know You Started It.'

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This darker, grittier YA thriller is told through dual perspectives: a girl seeking revenge for her sister's murder and a podcast host investigating her disappearance. It's intense, emotionally charged, and deals with the devastating impact of secrets and violence, much like the high stakes in 'I Know You Started It.'
A fast-paced, puzzle-driven mystery where an ordinary girl inherits a fortune from a billionaire she's never met, only to find herself embroiled in a dangerous game of riddles and family secrets. The intricate plot and the constant uncovering of hidden truths offer a similar thrill to 'I Know You Started It.'
Returning to her mother's hometown, the protagonist uncovers dark truths about a series of disappearances, both past and present, in a town rife with secrets. The small-town mystery, family secrets, and intertwining timelines will resonate strongly with fans of 'I Know You Started It.'
This book offers a classic 'locked room' mystery/slasher setup where ten teens are invited to a remote island party and are picked off one by one. The fast pace, high suspense, and the need to uncover the killer among them provide a similar thrilling experience to 'I Know You Started It.'
Set in an elite prep school, this thriller involves a secret society, a past murder, and a protagonist who questions the official story. It delves into social hierarchies, hidden secrets, and the pressure to maintain appearances, much like the social dynamics in 'I Know You Started It.'
by Dana Mele
A dark academic thriller where a new girl at a prestigious boarding school becomes entangled in a web of secrets and a murder investigation. This book explores themes of manipulation, revenge, and the dark side of ambition, offering a similar intense and mysterious atmosphere as 'I Know You Started It.'

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