This book Illustrates the use of several data management techniques using Stata, from data cleaning, Import and Export, labeling and creating variable to combining datasets, in-depth use of egen command Including _n and _N higlights, and programming. I would recommend it for Stata beginners just as for experts, Because it Introduces beginners with all basic syntax to Stata and presents new experts and Practically usage of known syntax. Besides, the book recommends some additional user written Stata modules to work with.