John is very poor. He has no money and no food. But he has a very clever cat called Puss in Boots. With just a sack and some grain, Puss in Boots helps his friend. John now has beautiful clothes, a palace to live in, and a princess to marry. How does Puss in Boots do it? Macmillan English Explorers have been written specifically for young learners of English. They bring first language teaching methods to reading lessons in first foreign language classrooms.