The cover is light yellow with the numbers 1, 2, and 3 imprinted on it in red. On the inside there are white pages with big red numbers that nearly fill the pages. The numbers are consecutive to the pages, and are the only things featured in the book.
Role in episode
Patrick is seen reading this book when he is literally counting the numbers. He decides to buy the book until SpongeBob comes inside and wants to buy some Mermaid Man and Barnacle Boy trading cards. Patrick eventually abandons buying 1 2 3 and buys a pack of cards himself.