Al Capone Does My Shirts is about a middle aged boy named Matthew Flanagan who lives on Alcatraz island, not far from San Fransisco.
He has a sister who is diagnosed with autism, she thinks she is ten years old when she is actually 16 years old.
Moose (Matthew Flanagan) meets some sophisticated friends named Piper, Theresa, Jimmy, and Scout.

This is a little video on Alcatraz.

Gennifer Choldenko is the writer of Al Capone Does My Shirts and she has mixed in real facts and unreal facts.

Chapter 1: Devils island...
this chapter is about a boy named Matthew Flannagan (A.K.A. Moose) and his family have moved to Alcatrz Island which his friend Pete would say that it is a Devils island Doo, Doo, Doo.