From Wikipedia (Not one book on Christ):
Schuller is the author of numerous self-help books including:
* Way To The Good Life (1963)
* Move Ahead With Possibility Thinking (1967)
* Self-Love (1975)
* You Can Be The Person You Want To Be (1976)
* Self-Esteem: The New Reformation (1982)
* Tough Times Never Last but Tough People Do (1983), Thomas Nelson ISBN 978-0840-75287-1
* Toughminded Faith for Tenderhearted People (1979), Thomas Nelson, ISBN 0-8407-5329-2
* Prayer: My Soul’s Adventure with God (1995), Doubleday ISBN 978-0385-48505-0
* Living Positively One Day At A Time (1986)
* My Journey: From An Iowa Farm To A Cathedral Of Dreams (2001)
* Hours of Power (2004)
* Don’t Throw Away Tomorrow (2005)
* Success is never ending,failure is never final (1990)
WOW! He sounds more like a motivational writer/speaker.