Frank and Joe travel to New York City over Thanksgiving to go undercover at the Haven, a shelter for runaway teens. One of the Haven's young residents was recently pushed to his death off a subway platform. It's up to the Hardy Boys to get to the bottom of this shocking case before the killer claims another victim.

Pushed 2008, Simon & Schuster Childrens Books, London

ISBN-13: 9781847383419

Mass-market paperback

Pushed 2007, Aladdin Paperbacks, New York, NY

ISBN-13: 9781416948025

Trade paperback