Henry Smith taught science at the City School. One day, he wen to a bookstore and bought some books. Most of them were expensive. He left them in his car in a quiet street. Then he went and bought some other things at other shops. At 6 o'clock he came back to the car. One window was open and the books were gone. Henry drove back to his home in Lake Street. That night he wrote a letter to a newspaper. The next day he went to the police station. On Friday people read an advertisement in the newspaper. BOOKS WANTED DO YOU HAVE ANY BOOKS THAT YOU NO LONGER WANTED? I BUY OLD AND MODERN BOOKS. OPEN ALL DAY ON SATURDAY. HENRY SMITH, 18 LAKE STREET. Henry stayed at home on Saturday. His first visitor came at 8 o'clock. Henry took him to the kitchen. At half past nine another man arrived. He had a bag under his arm. "Mr Smith?" the man asked. "That's right," Henry said, "Can I help you?" "I have some good books. You buy books, don't you?" "Yes, bring them in. I'll have a look at them." Soon the books were on the dining-table. "Come in now," Henry called out, "And bring the list." A policeman came into the dining-room. He read the titles  on the books and those on the list in his hand. They were the same. "Come with me, Sir," the policeman said to the man. How did the man get the books?   _
He bought them from Henry. He bought them at a bookstore. He found them lying in a quiet street. He stole them from the car.