Nancy S. Fagley & Charles A. Maher 
Promoting Cognitive Growth Over the Life Span [PDF ebook] 

This book introduces special programs designed to enhance thinking and problem solving at the preschool, elementary, secondary, college, and graduate levels, as well as proven instructional methods to aid the elderly in retaining or regaining essential mental skills. The volume also considers difficult problems confronting psychology, including such disparate issues as the appropriate content of courses to develop thinking, resistance to the introduction of programs in schools and universities, and psychology“s limitations on progress in these areas.