Mary Murphy feels like she s drowning. Her violent father is home from prison, and the social worker is suspicious of her new bruises. But Mary doesn t want to be a victim anymore. She has a plan: build a real submarine, like the model she's been making with Kip Dwyer, the secretly sweet class clown.

Gaining courage from Joan of Arc, fourteen-year-old Mary Murphy navigates the waters of Chesapeake Bay in a submersible built with her friend, Kip, escaping the home where her violent father has just returned from prison. Includes facts about domestic violence and submersibles.

678,Childrens Plus, Inc.