From the reviews:
An informative and easy to follow discussion about the life of stars sets the scene for the formation of star clusters themselves. This pocket guide then delivers a set of descriptions, images and charts for each of the 50 clusters covered. The charts are uncluttered and useful, and the descriptions interesting ... . ideal for a beginner ... . (Steve Richards, Sky at Night Magazine, April, 2011)
This book is an amateur's guide to observing star clusters; it tells you where they are with a picture of the cluster and a finding chart and suggestions for what instrument to use. ... It's a nice little book that makes finding clusters easy and tells you about what you're looking at, so it's interesting for anybody with a telescope; and possibly very useful for teachers as it shows where to find clusters to illustrate various basic astronomy topics ... . (Simon Goodwin, The Observatory, Vol. 132 (1226), February, 2012)