Audacity 101: The Unofficial Audacity Tutorial & Step By Step Guide By Benoit, Greg Boyer, Jay Rhodes, John S. By Thriftbooks

Editing Audio Using Audacity: Getting Started Using Audacity To Edit Your Audio By Pittman, Simon By Thriftbooks

Have The Audacity A Guide To Recording, Mixing And Mastering With Audacity By Roller, R. N. By Thriftbooks

Getting Started With Audacity 1.3 By Hiitola, Bethany By Thriftbooks