I highly recommend Alton Brown’s books. You learn a lot of food science and everything I’ve cooked by his recipes has been delicious. As an added bonus he has two on sale for like 90% off right now if you don’t mind kindle versions.
everyday cook $2.99
im just here for the food $2.99
Also David Chang & Priya Krishna’s book cooking at home is a good book to learn convenience cooking for real life. It’s on sale for $2.99
If you want more cookbook deals I keep a list of currently discounted kindle cookbooks here