Best Bets for Kids
Bone: Quest for the Spark: Book #3 by Thomas E. Sniegoski and Jeff Smith
Too Cool for This School by Kristen Tracy (coming out in August)

Best Bets for Teens and Adults
Prowlers by Christopher Golden (re-read)
A Winter of Ghosts by Christopher Golden and Thomas Randall (conclusion to The Waking trilogy)

Non-Fiction Pick
Steal Like an Artist by Austin Kleon