Debra Powell

Compact Elementary Students and Practice Book 1: Elementary Level 1

By Debra Powell, Madeleine McHugh, Alice Lester

Compact Intermediate Students Book 3: Intermediate Level 3

By Debra Powell, Madeleine McHugh, Alice Lester

Compact: Upper Intermediate Student's and Practice Book

By Debra Powell, Powell, Debra

IELTS Graduation: Student's Book

By Allen, Mark, Powell, Debra, Mark Allen, Debra Powell, Dickie Dolby

Common Mistakes at CAE...and How to Avoid Them

By Debra Powell