Aerosmith's band members have said horrible things about one another, they’ve broken up for years at a time, but Boston’s hometown rock band is still at it after 45 years.

Now, guitarist Joe Perry has written a book, "Rocks: My Life In and Out of Aerosmith."

Emily Rooney sat down with Joe Perry and started by asking him how a kid who grew up outdoors wound up hankering for a guitar.