Check all books for writing, marks & coloring. Groups of books MUST be in a clear zip lock bag! We will no longer accept groups of books that are rubber banded, tied or taped together. They get separated too easily. You can hand write extra descriptions on the tag if needed (example: 5 readers in bag/ Disney or set of 3 board books/list the titles) If needed, larger size ziplock bags can be found at dollar stores, Walmart, etc.