The twisted life of Chuck Berry. The definitive biography (Neo Person), by RJ Smith, that clears up some enigmas.

Chuck boasted of being a handyman, capable of fixing any device. As a businessman, he was short-termist. He humiliated admirers such as the Steve Miller Band, the Sir Douglas Quintet or the stellar British groups that wanted to record with him. He had an obsession with white women and, technophile things, he liked to document his sexual encounters.