This book has been specifically written for the new two-tier GCSE specification for first examination in 2008. The book is targeted at the Higher tier GCSE, and it comprises units organised clearly into homeworks designed to support the use of the Higher Students' Book in the same series. Each unit offers: *Homework exercises directly related to the Students' book section *Exam-style homeworks to build confidence and practice key techniques *Routine practice to reinforce key skills and ideas. *Full answers in the accompanying answer book It forms part of a suite of two homework books at GCSE, in which the other book caters for the Foundation tier.