On the Edge: An Improvisation on My Life, a book by Keith Jarrett, will be published by Allen Lane on March 25, 2027 (hardback, 304 pages; a Kindle edition will also be available). According to the publisher, the book is "the first and only time that Jarrett will tell the story of his life in music", covering his approach to composition, improvisation, practice, technique, collaboration, and creativity.

The description also mentions Jarrett's early years: he began playing drums with celery sticks on the kitchen table at the age of two, his perfect pitch was discovered at three, and he gave his first public recital at seven, including a piece of his own invention.

More details on the Penguin website.

Thanks to Lennart for the link.