Lori Rader-Day

"For Chicago sociology professor Amelia Emmet, violence was a research topic--until a student she'd never met shot her. He also shot himself. Now he's dead and she's back on campus, trying to keep up with her class schedule, a growing problem with painkillers, and a question she can't let go: Why? All she wants is for life to get back to normal, but normal is looking hard to come by. She's thirty-eight and hobbles with a cane. Her first student interaction...

Using her skills as a handwriting analyst to assist a local murder and kidnapping investigation, Anna identifies disturbing parallels between the crimes and her own struggles to protect her troubled teen son from her abusive ex.

"From the critically-acclaimed author of The Day I Died comes a terrifying twist on a locked-room mystery that will keep readers guessing until the last page. Only in the dark can she find the truth. Since her husband died, Eden Wallace's life has diminished down to a tiny pinprick, like a far-off star in the night sky. She doesn't work, has given up on her love of photography, and is so plagued by night terrors that she can't sleep without the lights...