comparison help?

[aXis]

which two of these books are best comparable with each other:

Pride and Prejudice - Jane Austen
One Hundred Secret Senses - Amy Tan
Poisonwood Bible - Barbara Kingsolver
Not Wanted on the Voyage - Timothy Findley
The Inheritance of Loss - Kiran Desai
Cold Mountain - Charles Frazier
Memoirs of a Geisha - Arthur Golden
Cure for Death by Lightning - Gail Anderson-dargatz

Thanks for your help, greatly appreciated :).