----- Nội dung ảnh ----- Bill Prince-Smith was a farmer and a teacher and a dentist before he (1) **became** a writer of children's books at the age of 60. Now, thirteen years (2) **later** he has written more than 80 books. Every day, he goes into his (3) **office** and writes. In the evening, he gives the work (4) **to** his wife to read. "She tells me when she doesn't like something," says Bill. "My ten grandchildren don't (5) **like** to read. Bill writes about the (6) **things** young children want to read. Bill writes about the (7) **animals** in his village and on the farms near it. His fifth book is his favorite: The Sheepdog is about a farmer and the dog that helps him. "I have always liked animals," says Bill, "and dogs are so clever, they learn very quickly." Last year, the (8) **book** was made into a film with real animals and actors. The film-makers used the latest computer technology to make people (9) **believe** that the animals are speaking. Bill was very pleased with the film. "Sometimes film-makers change mine and I love the film."