At TRMNL we have published a guide on how to jailbreak your Kindle[1], we also have a lot of community driven recipe[2] which are comics[3]

Disclosure: I work at TRMNL

[1]- https://usetrmnl.com/guides/turn-your-amazon-kindle-into-a-t...

[2]- https://usetrmnl.com/recipes

[3]- https://usetrmnl.com/recipes/27184