I recently purchased a 76 Cadillac Coupe Deville. The car runs and drives. Has its typical older car issues and needs freshened up. The A/c also has issues where it only blows on the floor. I want to make sure I am purchasing the right books before i make any purchases. I want to be prepared for the now and for the future. Which books do I need? I shared one that i think i have seen lots of recommendations on. I want to make sure i am on the same page.
I hope all that makes sense. Thank you!

I hope all that makes sense. Thank you!