-- Pay close attention and you might solve this. On Monday afternoon, five students at Bayview High walk into detention. Bronwyn, the brain, Addy, the beauty, Nate, the criminal Cooper, the athlete And Only, Simon never makes it out of that classroom. Before the end of detention Simon's dead. And according to investigators, his death wasn't an accident. On Monday, he died. But on Tuesday, he'd planned to post juicy reveals about all four of his high-profile classmates, which makes all four of them suspects in his murder. Or are they the perfect patsies for a killer who's still on the loose? Everyone has secrets, right? What really matters is how far you would go to protect them. And don't miss the sequel, One of Us is Next Praise for One of Us Is Lying A Buzzfeed A Popcrush A CBC Teen Choice Book Award Nominee A Goodreads Best Young Adult Book of the Year Nominee A YALSA Best Fiction Book Nominee A YALSA Quick Pick for Reluctant Young Adult Readers 'You'll tear through this juicy, super-fun "A whodunit with a Breakfast Club "Twisty plotting, breakneck pacing and intriguing characterisation add up to an exciting, single-sitting thrillerish treat."This is no ordinary whodunit ¿" 'VOYA, Starred Review