This book tell us a survival story which three pigs fought againest with the evil wolf by using their house. Three pigs having different consequences through using different house, we know that only the hard working can lead us a fantastic furture . 这样就可以了，一个简单句加一个独立主格，足够了。
Three Little Pigs and a Big Wolf，Once, a mother pig sent her three little children into the world. They needed to look after themselves.
The first pig found some straw, and he built a fine house with straw, and he built a fine house with straw.
The second pig built a house with wood.
The third pig built a house with stone.
One day, a wolf came to straw house, he was hungry.
"Little pig let me in! I'm your brother."
"No, no! You are a wolf."
Then the wolf blew down the straw house. The first pig ran to the wooden house.
Then the wolf came to the wooden house, too. The two pigs ran to the stone house.
The wolf came and blew the stone house. He blew and blew, but the house didn't fall down. Then wolf was angry, he climbed to the roof and jumped down the chimney.
The wolf fell into the pot! Ouch! He ran away.
The three little pigs lived happily.