To follow is a basic beginning for choosing the category for your book. The list begins with non-fiction or fiction, then main category, then sub-category.

Your final category will look something like this:  Art/Techniques and can have additions to it such as: Art/Techniques/Brush

There is also a website that might help Book Industry Study Group http://www.bisg.org/what-we-do-0-136-bisac-subject-headings-list-major-subjects.php

Nonfiction

Antiques & Collectibles
General ,  Americana ,  Art ,  Autographs ,  Books ,  Bottles ,  Buttons & Pins ,  Care & Restoration ,  Transportation ,  Clocks & Watches ,  Coins, Currency & Medals ,  Comics ,  Dolls ,  Firearms & Weapons ,  Furniture ,  Glass & Glassware ,  Jewelry ,  Kitchenware ,  Magazines & Newspapers ,  Military ,  Performing Arts ,  Non-Sports Cards ,  Paper Ephemera ,  Political ,  Porcelain & China ,  Postcards ,  Posters ,  Pottery & Ceramics ,  Radios & Televisions ,  Records ,  Reference ,  Rugs ,  Silver, Gold & Other Metals ,  Sports Cards ,  Sports ,  Stamps ,  Teddy Bears ,  Textiles & Costume ,  Toy Animals ,  Toys ,  Wine ,  Popular Culture ,  Figurines ,  Canadiana ,  Tobacco-Related

Architecture
General ,  Criticism ,  Decoration & Ornament ,  Domestic ,  Design & Drafting ,  History ,  Individual Architect ,  Interior Design ,  Landscape ,  Methods & Materials ,  Urban & Land Use Planning ,  Public, Commercial, or Industrial Buildings ,  Reference ,  Study & Teaching ,  Historic Preservation ,  Professional Practice ,  Religious Buildings ,  Project Management

Art
General ,  Techniques ,  Clip Art ,  Collections, Catalogs, Exhibitions ,  Color Theory ,  Conceptual ,  Criticism ,  Fashion ,  Folk & Outsider Art ,  Graphic Arts ,  History ,  African ,  American ,  European ,  Canadian ,  Individual Artist ,  Assemblage Art ,  Asian ,  Popular Culture ,  Reference ,  Sculpture ,  Study & Teaching ,  Continue reading →