The book is scheduled to be released in December.
Phelps, 23, became the winningest Olympian ever at this summer's Beijing games, winning eight golds to add to six previous Olympic first-place victories. He holds seven world records.
The book is scheduled to be released in December.
Phelps, 23, became the winningest Olympian ever at this summer's Beijing games, winning eight golds to add to six previous Olympic first-place victories. He holds seven world records.