<human>:  What books should I read to learn more about marketing?
<bot>: Some great books for learning more about marketing include "Marketing Management" by Philip Kotler, "Positioning: The Battle for Your Mind" by Al Ries and Jack Trout, "Marketing 4.0: Moving from Traditional to Digital" by Philip Kotler and Neutal Sheth, "Who Gets What - and Why: The New Economics of Matchmaking and Market Design" by Alvin E. Roth, and "Crush It!: Why NOW Is the Time to Cash In on Your Passion" by Gary Vaynerchuk.