Completely orthogonal to yours, but the undergraduate text "Operating Systems Concepts" by Silberschatz et al. has always been good.
Every edition features dinosaurs, which totally relate to the concepts of CPU scheduling, IPC, memory management, etc.
The seventh edition is the absolute pinnacle, as the sauropod family on the front cover enjoy a host of electronic devices from the 80's and 90's:
https://i.imgur.com/5U87Pgt.png
Most of the covers are great.