Here are some great library activities for you to try:
Mrs. Lodge is a librarian who created a pretty cool game called Shelver. The game has 3 different levels of difficulty, and you can choose to arrange fiction or non-fiction titles. Below is a screen-shot of the Level One Fiction game.
This game is really 3-games in one: you can choose to sort books, add a book to a shelf (in the correct order), or totally reshelve a bunch of books that are out of order.
Memory Match Dewey Decimal Game
Dewey Decimal System–Purpose Game
Click on the correct book spine to match the Dewey category listed at the top of the page.
