Book is back at the library, ready to be borrowed again. But wait, his title is missing. This is no joke! How will they know which shelf to put him on? Friendly Dictionary uses clues from Book's pages to help him find the section he belongs in, but it's a dangerous journey through splattered paint, growling books, and dirt-covered shelves. Will he ever find his section? Follow Book as he journeys through the library and finds that no matter what, everyone belongs somewhere.