Incidentally, in my opinion, The Rust Book was laid out exceptionally well for system programming beginners, at least in the state I read it through about 8 years ago or so. Steve and contributors managed to achieve a great balance between thoroughness and approachability of the text while dodging the curse of knowledge in a commendable way.

However, The Rust Book is as far from Concepts as it is from HTDP. It presents a specific language model in its relation to the hardware and common applications one faces while implementing what Concepts and HTDP teach to, well, design.

Thank you, that’s very kind. It was a lot of work!

I agree. I don't recall exactly when I read it, but it was about 8 years ago, too. In that state, the Rust Book was very very good for people like me (i.e., had already learned many PLs).