Comedian Jerry Lewis has said that Allen Klein is "a noble and vital force watching over the human condition." Klein is an award-winning professional speaker and bestselling author of over 25 motivational and inspirational books on humor and the positive side of life, which have sold over 600,000 copies. His first book, The Healing Power of Humor, is currently in its 40th printing and ninth language translation. Klein is also a recipient of a Lifetime Achievement Award from the Association for Applied and Therapeutic Humor, a Certified Speaking Professional designation from the National Speakers Association, a Toastmaster's Communication and Leadership Award, and a New York City Hunter College Hall of Fame honoree. He is also the world's only "Jollytologist."