"Agile Estimating and Planning" by Mike Cohn is a textbook that focuses on software development and engineering. Published by Pearson Education in 2005, this book is part of the Robert C. Martin Ser. It covers the subject area of computers and provides valuable insights into agile project management. With a perfect format and 368 pages, this paperback edition is a valuable resource for those looking to learn more about software development and engineering using an agile approach. It is a must-have for students and professionals in the field.