Allen Ascher
Books
Top Notch
2010
ISBN 9780132469951
Top Notch 3 Copy and Go
2011
ISBN 9780132470704
Top Notch Fundamentals Copy and Go
2011
ISBN 9780132470315
Top Notch 1 Copy and Go
2011
ISBN 9780132470445- No cover
Top notch: Complete assessment package
2008
ISBN 9780135133163 
Top Notch Level 3 Teacher's Edition and Lesson Planner
2010
ISBN 9781408229163