One synonym for "follow book" is guidebook, which is a type of book that provides instructions or information about a particular subject or location. Another synonym for "follow book" is manual, which is a book that provides instructions or information about how to perform a specific task. A third synonym for "follow book" is handbook, which is a type of book that provides quick reference information about a particular subject or field. All of these synonyms for "follow book" suggest that a book is being used as a guide or reference for a specific purpose, whether it's navigating a new place, performing a task, or accessing information quickly.