“Becoming Agile: In an Imperfect World” by Greg Smith is a textbook published by Manning Publications Co. LLC in 2009. The book, with a total of 408 pages, focuses on the subject areas of programming, software development & engineering, and project management. Written in English, it delves into the practical aspects of becoming agile in a real-world setting, making it a valuable resource for both students and professionals in the field.