If you liked this, you may also like "Am I autistic? An intellectual autobiography"[0] by Karl Friston. It doesn't go into his free energy idea at all, but is more about the person behind the idea. My favourite line "I remember being asked [by an educational psychologist] whether I thought the puppets in Thunderbirds ever got hungry".

[0] https://www.aliusresearch.org/uploads/9/1/6/0/91600416/frist...