From USA Today bestselling author and TikTok sensation Leigh Rivers comes Psychotic Obsession, a steamy, emotional dark romance spin-off that explores dangerous love, toxic possession, and electric chemistry. This novel delves into the intense relationship between Aria Miller, a scientist researching rare genetic diseases, and Tobias Mitchell, the handsome man she hires as her assistant whose true, obsessive nature is slowly revealed.

• Dark Romance featuring explicit sexual content and difficult themes (Recommended 18+).
• Features tropes including Workplace Romance (Doctor x Assistant) and Forbidden Romance.
• Prequel set before the Edge of Darkness trilogy; can be read as a standalone.
• Explores themes of possession, trust as a weakness, and toxic games of love.

Tobias Mitchell appears gentle and collected, but beneath the surface lies a dangerous intensity. When Aria Miller hires him as her assistant in her genetic disease research, Tobias becomes intensely infatuated. When Aria is forced to leave the country, Tobias's mask slips, revealing his true self and his absolute conviction that Aria is his to keep.

• Author: Leigh Rivers
• Binding: Paperback
• Language: English
• Print Length: 352 pages
• Publication Date: August 18, 2026
• ISBN-10: 0349448604
• ISBN-13: 978-0349448602
• Dimensions: 12.6 x 2.2 x 19.8 cm
• Weight: 510 g

Dive into this highly anticipated dark romance from Leigh Rivers, praised by fellow authors for its tension and deeply emotive characters.