Some of my favourite books?

In no particular order.
- The Art of War by Sun-Tzu
- Design of Everyday Things by Don Norman
- On Food and Cooking by Harold Mcgee
- The Spy who Came In From the Cold by Le Carre
- About Face by Cooper
- David Copperfield by Charles Dickens
... and many more
Design of Everyday Things
If I were to recommend one design book it will be "The Design of Everyday Things" by Don Norman. What a wonderful book.
This is the book that started it all. It talks about the type of mindset we need to succeed as designers.