Looking for a book on differentiated classrooms? Here's one that may interest you: Leading and managing a differentiated classroom, by Carol Ann Tomlinson and Marcia B. Imbeau. This book is written in two parts. The first part is on how to effectively lead a differentiated classroom. The second part is on the mechanics of managing a differentiated classroom. A toolkit of activities and teaching strategies is included to help teachers expand their capacity for differentiation.