Norman Vincent Peale was a clergyman, and author of 46 books including "The Power of Positive Thinking", which has sold millions of copies worldwide. His work is influenced by modern psychology, religious teachings, and self improvement techniques which have been studied for decades.

Norman Vincent Peale is one of the early pioneers of this type of teaching. Some of his religious beliefs are controversial, but if you're looking for a book on developing a more positive outlook, "The Power of Positive Thinking" has withstood the test of time, as have many of his other books. You'll find many web sites filled with Norman Vincent Peale quotes and from those you can get a pretty good idea of his style of teaching. Even if you disagree with his controversial religious views there's good information in his books.

Up until his death in 1993 he did many motivational speaking engagements, and inspired untold numbers of other self help book authors. Norman Vincent Peale is one of the recognized masters of the self help type books, and we'd recommend taking a look at one of the many sites out there covering his work in detail. His materials are available on audio, paperback, and hardcover.