We need to have some fix name of categories for the Root theme, the keywords are too open for a good filther system.
We have 2 main options.
Amazon Main Categories of books
• Arts & Photography
• Biographies & Memoirs
• Business & Money
• Calendars
• Children’s Books
• Christian Books & Bibles
• Comics & Graphic Novels
• Computers & Technology
• Cookbooks, Food & Wine
• Crafts, Hobbies & Home
• Education & Teaching
• Engineering & Transportation
• Gay & Lesbian
• Health, Fitness & Dieting
• History
• Humor & Entertainment
• Law
• Literature & Fiction
• Medical Books
• Mystery, Thriller & Suspense
• Parenting & Relationships
• Politics & Social Sciences
• Reference
• Religion & Spirituality
• Romance
• Science & Math
• Science Fiction & Fantasy
• Self-Help
• Sports & Outdoors
• Teen & Young Adult
• Test Preparation
• Travel
http://bisg.org/page/BISACEdition
BISAC codes
• ANTIQUES & COLLECTIBLES
• ARCHITECTURE
• ART
• BIBLES
• BIOGRAPHY & AUTOBIOGRAPHY
• BODY, MIND & SPIRIT
• BUSINESS & ECONOMICS
• COMICS & GRAPHIC NOVELS
• COMPUTERS
• COOKING
• CRAFTS & HOBBIES
• DESIGN
• DRAMA
• EDUCATION
• FAMILY & RELATIONSHIPS
• FICTION
• FOREIGN LANGUAGE STUDY
• GAMES & ACTIVITIES
• GARDENING
• HEALTH & FITNESS
• HISTORY
• HOUSE & HOME
• HUMOR
• JUVENILE FICTION
• JUVENILE NONFICTION
• LANGUAGE ARTS & DISCIPLINES
• LAW
• LITERARY COLLECTIONS
• LITERARY CRITICSM
• MATHEMATICS
• MEDICAL
• MUSIC
• NATURE
• PERFORMING ARTS
• PETS
• PHILOSOPHY
• PHOTOGRAPHY
• POETRY
• POLITICAL SCIENCE
• PSYCHOLOGY
• REFERENCE
• RELIGION
• SCIENCE
• SELF-HELP
• SOCIAL SCIENCE
• SPORTS & RECREATION
• STUDY AIDS
• TECHNOLOGY & ENGINEERING
• TRANSPORTATION
• TRAVEL
• TRUE CRIME
• YOUNG ADULT FICTION
• YOUNG ADULT NONFICTION
Which one should be use ?