This brilliant Revision Guide from CGP covers everything students need for Edexcel''s International GCSE Biology course. It''s full of clear explanations for every topic, with helpful tips and worked examples - plus it''s perfect for Science (Double Award) sitters!There''s a whole section on experimental skills and plenty of practice questions throughout the book (with answers at the back). We''ve also included brand new retrieval quizzes and worked video solutions for extra help - just use the QR codes in the book to access them. There''s even a free Online Edition of the whole book - amazing!