Letts KS3 Science Classbook: Framework edition covers all Framework objectives in a single volume. Each objective is presented in spreads that correlate clearly with the QCA Scheme of Work. The accessible and informative approach, along with the book's manageable format, make it an ideal classroom and homework resource. Letts KS3 Science Classbook: Framework edition covers all Framework objectives in a single volume. Each objective is presented in spreads that correlate clearly with the QCA Scheme of Work. The accessible and informative approach, along with the book's manageable format, make it an ideal classroom and homework resource.