Under the Tuscan Sun has genre Romantic comedyRomantic comedy has examples: What to Expect When You're ExpectingWhat to Expect When You're Expecting has genre Romantic comedy. Romantic comedy has examples: Up in the Air
[Human]: Do you know what genre is Tuscan Sun? [Assistant]: Released in 1996, Under the Tuscan Sun is a romantic comedy. [Human]: I like Romantic Comedy. Could you please give me more book titles this genre? 
Absolutely, you should try reading The Da Vinci Code, which is also a romantic comedy. Another one that I recommend is The Hunger Games.