not books but these posts from #bitcoin core devs gave me a bunch to noodle on:
1. Zeitgeist (Anthony Towns)
https://www.erisian.com.au/wordpress/2023/02/26/zeitgeist
2. Putting the B in BTC (Anthony Towns)
https://www.erisian.com.au/wordpress/2023/06/21/putting-the-b-in-btc
3. Thoughts on Scaling and Consensus Changes (James O'Beirne)
https://delvingbitcoin.org/t/thoughts-on-scaling-and-consensus-changes-2023/32/1