Unbelievable! by Chad le Clos with Myan Subrayan will be released in April 2014.
The book about family, values and perseverance, comes just before the Commonwealth Games in July where le Clos will be participating.
Published by Penguin, it takes its title from his dad, Bert le Clos', famous exclamation on BBC TV when his son defeated Phelps. The book follows his rise to Olympic stardom and is an inspirational story for all wishing to achieve beyond what may seem impossible.
Subrayan is a writer and motivational speaker and works with top sportspeople and professional teams as a life coach. He is the author of Pierre Spies: More than Rugby
and Inga: My Story
, biography of former All Black, Inga Tuigamala.