A bookstore category is a way to organize books into different sections. The crossword solutions for the term BOOKSTORE CATEGORY are HUMOR (5 letters), GENRE (5 letters), MUSIC (5 letters), POETRY (6 letters), USED (4 letters), and HOWTO (5 letters). HUMOR books are those that are intended to make readers laugh, while GENRE books are those that are classified by their type or style. MUSIC books are those that focus on musical topics, such as instruments, theory, and history. POETRY books are collections of poems written by various authors. USED books are those that have been previously owned and are now being resold. How-to books are those that provide instructions on how to do something.