The long-awaited MASTER THEORY TEACHER ANSWER KEYS are here! Published in two spiral-bound volumes, they also include phone, tablet, and computer access to complete eBook editions featuring audio examples and writing tools powered by PywareÂ's INTERACTIVE Practice StudioÂTM, making these books invaluable tools for anyone using MASTER THEORY. Volume 1 contains all content and answers for the Master Theory Student Workbooks 1, 2, and 3. Volume 2 contains all content and answers for the Master Theory Student Workbooks 4, 5, and 6.