Elon Musk has dominated headlines for years, but a new book proves there is still plenty to learn about the world's richest man.
After shadowing Musk for three years, Walter Isaacson provided a peek behind the curtain into the life of one of the most powerful men in the world in his biography on the Tesla CEO.
The book hit shelves on September 12 and it had some eye-popping details about the billionaire — from big reveals on his relationship with Ukraine and the birth of his eleventh child to details on Musk's hardcore work ethic and emotional swings.
Here are eight things we learned from the biography.