'This tiny but useful book for practitioners in a variety of areas attempts to define ADHD and investigates the etiology of this condition. Although this book is intended for a number of readers from different populations, including experts, it is undoubtedly of particular advantage to parents of children suffering from ADHD. At the end of the book there is a very useful Appendix or Appendices which help parents to assess their children's difficulties over a period of time with or without the use of medication. Despite the fact that this book is only comparatively short, it contains a...