"The Bitcoin Handbook" by nostr:npub14hn6p34vegy4ckeklz8jq93mendym9asw8z2ej87x2wuwf8werasc6a32x is really a colorful book with helpful graphics showing facts nicely. 

https://i.nostrimg.com/02d8ac9380372cecd4b07a7d79f73e6c7e87c11f75c72c9a8e3cc7834460763a/file.jpg