These Toxic Things by Rachel Howzell Hall A deceased woman's beloved mementos lead to a whole lot of trouble in Rachel Howzell Hall's nail-biting These Toxic Things. Mickie Lambert's job involves creating digital scrapbooks of people's beloved mementos, but her latest client's collection may put Mickie in the crosshairs of a serial killer who has been off the grid for years. Out Sept. 1 Image Source: Amazon.com