Aunt Pitty Patty takes her niece Nelly to the market where they buy a pig.  But, when they get home the pig will not go through the front gate.  Aunt Pitty Patty gives Nelly the job of getting the pig through the front gate.  Nelly goes to a series of animals, inanimate objects, and people trying to get them to help her get the pig through the front gate.  When she finally convinces a cat to help her in exchange for some milk, it sets into motion a series of events that ends with a dog biting the pig to get him to go through the front gate.

This book is good for guided reading because it is repetitive and rhythmic.  It can be used for a lesson on predicting and cause and effect.

The lexile level is AD680L