Explain what the purpose of an instruction book?

An instruction book is a manual or guide that provides detailed information on how to use, operate, assemble, or troubleshoot a product or device. The purpose of an instruction book is to help users understand how to properly and safely use the product, as well as to provide guidance on how to get the most out of its features and functions. Instruction books typically include step-by-step instructions, diagrams, and illustrations to make it easier for users to follow along. Additionally, instruction books may also include important safety information, warranty details, and troubleshooting tips to help users address any issues that may arise. Overall, the purpose of an instruction book is to ensure that users have a positive and successful experience with the product.