**THIS PAPERBACK EDITION FEATURES BRAND-NEW EXCLUSIVE CHARACTER ARTWORK, AS WELL AN ICONIC QUOTE ON THE INSIDE COVER - PREORDER NOW TO SECURE YOUR COPY!**From USA Today bestselling author and TikTok sensation comes the steamy, emotional dark romance spin-off that everyone is talking about!'Filled with TENSION, HEARTBREAK and ELECTRIC CHEMISTRY. This one will tear your heart right out of your chest before tossing it back in and sewing you up' No. 1 New York Times bestselling author Brynne Weaver'Leigh Rivers is THE QUEEN OF DARK ROMANCE. Her books are deeply emotive and her characters feel so vividly real' Tierney PageLove is dangerous. Trust is a weakness. Possession is a toxic game.Sweet and gentle, calm and collected, nervous and inexperienced, Tobias Mitchell was death cloaked in the form of a handsome man. But, instead of running the other way, she fell for him. Aria Miller is a scientist researching rare genetic diseases when her world is tilted off its axis, and she collides with Tobias. When she takes him on as her assistant, he becomes infatuated with her in ways he can't comprehend. When reality hits and Aria is forced to leave the country, Tobias is faced with the thought of losing the object of his desire. His mask slips, showing her his true self for the first time. Aria is his, and he'll do anything to make sure she stays that way. Psychotic Obsession is a prequel set before the Edge of Darkness trilogy. It can be read as a standalone but is recommended to be read after. This is a dark romance and contains explicit sexual content and difficult themes. Please read the content warnings before reading. Recommended 18+.--Readers love the Edge of Darkness trilogy! 'Anger-fueled attraction. Resentment-laced longing. Leigh Rivers is a powerhouse in the dark romance genre' No. 1 New York Times bestselling author Navessa Allen 'A perfect blend of love, hate, passion, secrets and twists. I truly couldn't put it down' Paisley Hope, Sunday Times bestselling author'Leigh Rivers is a master of her craft, and Insatiable is no exception - dark, intense and utterly unputdownable' Sadie Kincaid 'A taut, intoxicating descent into desire - bold, elegantly written, and impossible to look away from' Monty Jay 'A dark, beautifully twisted romance that delivers emotional blows with stunning precision. The kind of read that lingers long after you close the last page' Avina St. Graves'Addictively dark and seductive, with a story that leaves you begging for more' K.A. Knight'Sexy, angsty, and deliciously dark. Impossible to put down' Allie Oleander 'An absolute must-read. The chemistry between Kade and Stacey, the secrets, and the mouth-watering spice are perfect' Natasha K. LaurenTropes: Workplace romance Doctor x Assistant Forbidden romance Love triangle Non-HEA