This is a great book. If, like me, you got into football coaching by being a touchline parent helping out at training and matches for your sons football team, and you are now looking to get more involved and take your FA Level 1 badge and / or coach a team, then this book is a must-read. Even though it's not packed with loads of drills like other books are, it goes into more detail of other areas that aren't covered by those books.
Other books I can recommend to for essential reading after this one are "Coaching the Coach: A Complete Guide How to Coach Soccer Skills Through Drills" and "Coaching Mini Soccer: A Tried and Tested Program of Essential Skills and Drills for 5 to 10 Year Olds" (both by Richard Seedhouse) and then "Soccer Academy: 100 Defending Practices and Small Sided Games" and "The Soccer Academy: 140 Overload Games and Finishing Practices" (both by Michael Beale).
Want to know a book to avoid ? - "101 Great Youth Soccer Drills: Skills and Drills for Better Fundamental Play" by Robert Koger. The drills are really confusing, even to more experienced coaches than myself that I've shown them to.