No-Nonsense Quantum Field Theory by Jakob Schwichtenberg (2020) Updated 2024-12-15 +Created 1970-01-01
This book really tries to recall basic things to ensure that the reader will be able to understand the more advanced ones.
Sometimes it goes a little bit overboard, like defining what a function does several times.
But Ciro Santilli really prefers it when authors error on the side of obvious.