Published2016. Beginner to Elementary CEF level A1/A2 - 400 Headwords Oxford Bookworms enjoy a world-wide reputation for high-quality storytelling and a great reading experience. Research shows reading a lot improves all your language skills. Experts recognize Oxford Bookworms as the most consistent series in terms of language control, length, and quality of story - very important for fluent reading and extensive reading. There's a wide choice of titles too - something for everyone. Shirley Homes is a private investigator. She is clever with computers, and knows London like the back of her hand. She laughs when people say, 'Was Sherlock Holmes your grandfather?' Sherlock Holmes, of course, was not a real person, but, like Sherlock, Shirley has good eyes, and good ears. And she knows the right questions to ask. And in the Lithuanian Case, the right questions are important. Because Shirley must find a missing person - Carrie Williams, aged fifteen. Where is she? Who is she with?