The Ultimate Picture Book inventory is unlike any other resource available.e THis book inventory contains almost 3,000 books (and will continue to grow). You will forever have access to this database and the Ramona Recommends will update the list every 3 months. What sets this inventory apart? There are seven ways to organize your book inventory in alphabetical order: picture book title, author, illustrator, subject, publisher, publisher data, and my personal favorite spine color. There are are