John D. Fitzgerald was born in Utah and lived there until the age of eighteen, when he began a series of interesting careers ranging from jazz drummer to foreign correspondent. He wrote several adult best-sellers, including Papa Married a Mormon, which was set in the same Utah environment as the Great Brain books. His most beloved works, however, are his children's books, which have been enormously popular since Dial's first publication of The Great Brain in 1967. By 1975, Fitzgerald had published six more Great Brain books; a seventh, The Great Brain Is Back, was discovered and published after his death. John D. Fitzgerald died in Florida, his home of many years, at the age of eighty-one.Fitzgerald, John D. is the author of 'More Adventures of the Great Brain' with ISBN 9780142400654 and ISBN 0142400653.