The term BOOK LOVER can be summarized by the crossword solution READER. A READER is someone who enjoys reading books, often for pleasure. They may read a variety of genres, from fiction to non-fiction, and may even have a favorite author or series. Reading can be a great way to relax, learn something new, or escape into another world. Book lovers often have a large collection of books, and may even join book clubs or attend book signings.