This document provides information about an exam preparation book titled "B1 preliminary and B1 preliminary for schools". It contains practice exercises and materials for the four sections of the B1 level Cambridge English exams: reading, writing, listening, and speaking. The book is divided into 15 sections that mirror the structure of the real exam. It includes worksheets, audio tracks, answer keys, and exam topic lists to help students focus their preparation. The summary provides a concise overview of the document's purpose and contents at a high level.