Here's the publisher's description of the book:
The shortage of qualified teachers in our nation’s classrooms is critical, and it is getting worse. This thought-provoking book reveals the reasons for the crisis and offers concrete, affordable solutions.
Vivian Troen and Katherine C. Boles cofounded the Learning/Teaching Collaborative, one of the country’s first professional development schools, and Trilemma Solutions, an educational consultancy. Boles is currently a lecturer on education at the Harvard Graduate School of Education, and Troen is implementing professional development school initiatives at Brandeis University.