The document provides an overview of the Target KET for Schools exam preparation book. It describes the format and content of the book, which is designed to help students prepare for the Key English Test (KET) for Schools exam. The book contains 12 units divided into lessons, with each lesson focusing on a topic that could be covered in the exam. The lessons provide vocabulary, language practice, and at least one exam task to help familiarize students with the exam format. Additional exam preparation materials include an exam guide, language summaries, and a practice test in the accompanying workbook.