They prefer to have the books in good condition.

Action/Adventure
Animals
Audio Books (CD only)
Biographies
Business and Economics
Camping
Children's Books (Ages 0-17)
Classic Literary Fiction
Contemporary Literary Fiction
Cookbooks
Cozy Mysteries
Crafts and Hobbies
Current Events/Political Affairs
Fantasy
Farming
Finance/Investing
Fishing/Hunting/Boating
Graphic Novels/Comics
Historical Fiction
History
Home and Gardening
Horror
Humor
Large Print Books
Leadership/Management
Medical
Military Fiction
Military History
Mystery
Mythology
Paranormal
Paranormal Romance
Personal Growth
Philosophy
Poetry
Romance
Science
Science Fiction
Self-help
Sports
Suspense/Thrillers
Technology
Travel
True Crime
Westerns
Women's Fiction