I know, maybe we are talking about a different book! Because there are two books titled "cracking the code". I am referring to this one:
https://blossom.primal.net/c7815fae7623f129a4afc9bfe2c46ad72d7fdfd049c2cff37a757d891228ad81.png
https://blossom.primal.net/03e507b9eaa39b9e9ab8ad61fcffdffd50...