The Sims 3: Pets Cheats
Note: You need a bookshelf and you might lose the books you have purchased from the book store!
STEP 1: Buy the cheapest bookshelf there is, if you don’t already have one.
STEP 2: Click on the bookshelf and select browse!
STEP 3: Sell one of the books then go to buy mode.
STEP 4: Click on your bookshelf and sell it and then click the redo button and go back into sim mode (this will double the amount of books in your bookshelf)
STEP 5: Repeat steps 3 and 4 until you have 100 or even 1000 of each book type in your bookshelf.
STEP 6: Click browse and sell all of those books!