New mysteries

The Last Echo by Kimberly Derting Violet, a high school junior, discovers the body of a teen killed by "the girlfriend collector" and is determined to solve the case, but the serial killer is on the lookout for a new "relationship" and Violet may have caught his eye.
	The Night She Disappeared by April Henry Told from various viewpoints, Gabie and Drew set out to prove that their missing co-worker Kayla is not dead, and to find her before she is, while the police search for her body and the man who abducted her.
I Hunt Killers by Barry Lyga Seventeen-year-old Jazz learned all about being a serial killer from his notorious "Dear Old Dad," but believes he has a conscience that will help fight his own urges and right some of his father's wrongs, so he secretly helps the police apprehend the town's newest murderer, "The Impressionist."
	The Liar Society by Lisa and Laura Roecker When Kate receives a mysterious e-mail from her dead friend Grace, she must prove that Grace's death was not an accident, but finds that her elite private school holds secrets so big people are willing to kill to protect them.
Kill You Last by Todd Strasser When three teenage clients of her fashion photographer dad go missing, Shelby's near perfect life crumbles when her dad is named a prime suspect in the girls' disappearance.
	Wish You Were Dead by Todd Strasser Madison, a senior at a suburban New York high school, tries to uncover who is responsible for the disappearance of her friends, popular students mentioned in the posts of an anonymous blogger, while she, herself, is being stalked online and in-person.