BISAC subject codes are a crucial part of the book industry supply chain. Place your title in the right BISAC categories, and it will be well represented on large retailer websites and allow customers to discover and purchase your book. However, BISAC does have its limitations. Any publisher knows how restrictive it can feel to be forced to choose a category from a list. “These damn BISAC categories never reflect how special my books are,” grumbles the astute publisher. “I want to make up my own!”
Well, with custom subjects, you can do exactly that.