听下面一段材料,回答第1-3题。 1. What are the speakers talking about? A. Picture books. B. Reference books. C. Cookbooks. 2. How much is Worldwide Fish? A. £ 12. B. £ 15. C. £ 17. 3. Which book does the woman decide to buy? A. Something Fishy. B. Worldwide Fish. C. Tasty Fish.