HPBN (High-Performance Browser Networking) is excellent. I can vouch for the print edition I bought a couple years ago, and the companion website gets updates:

HPBN (High-Performance Browser Networking) is excellent. I can vouch for the print edition I bought a couple years ago, and the companion website gets updates: https://hpbn.co https://hpbn.co Also, today thanks to this thread I discovered https://book.systemsapproach.org https://book.systemsapproach.org and can already recommend it.