"The definitive guide to observing deep sky objects such as globular clusters, galaxies, planetary nebulae and supernova remnants. . it gives answers to lots of practical questions that you haven''t even realized you wanted to know such as why you should invite other people to observe with you, or share your hobby with others, or how could a computer be helpful with deep sky objects." (AstroMadness.com, December, 2016)

"This is a book aimed at fairly serious stargazers, even though the tone and some chapters seem suited for beginners. . Summing Up: Recommended. Professionals and practitioners." (D. J. Van Domelen, Choice, Vol. 54 (3), November, 2016)