ADJ [ADJ n](尤指爱好)介绍基础知识的; 提供入门知识的A how-to book provides instructions on how to do or make a particular thing, especially something that you do or make as a hobby. (尤指爱好)介绍基础知识的; 提供入门知识的
...a simple how-to book that explains each step in taking a photo.