R. W. Argyle, Director, Webb Society Double Star Section, and author of Observing and Measuring Visual Double Stars
"The Cambridge Double Star Atlas has long been a valuable resource to double star observers. This second edition has a much more detailed introduction describing binary stars, their orbits and properties, observing tools, and techniques. The double star target list has been expanded to include more information about each double star such as position angle, spectral types, and distances. Even if you already have the first edition, this second edition is a worthwhile upgrade."
R. Kent Clark, Editor, Journal of Double Star Observations