Psychotic Obsession by Leigh Rivers — book slip

Aria Miller is a scientist on the brink of a breakthrough when she meets Tobias Mitchell, a man whose handsome exterior hides a dangerous obsession. As Aria takes Tobias on as her assistant, she becomes the object of his fixation.

When Aria is forced to leave the country, Tobias reveals his true nature, determined to keep her by any means necessary. LOVE IS DANGEROUS, TRUST IS A WEAKNESS, POSSESSION IS A TOXIC GAME.

This is an interconnected standalone set before The Edge of Darkness Trilogy.