There's an edition of The Code Book for youth:

mlyle • yesterday at 9:23 PM • 4 replies • view on HN

MoonZ • today at 6:08 AM

That's my recommendation as well !

mike_richards • yesterday at 10:44 PM

Thanks. I'm torn he loves reading himself, but also when we work through adult books with him. :)

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brightball • today at 3:44 AM

Recommended it as well!

robterrell • yesterday at 10:38 PM

Seconding this one!

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