This great little book covers all the important details of using dumbells to work on each specific group of muscles. There is a larger book with thousands of dumbell variations (the "Great Big Book of") but nothing is left out of this little book. The other one in the must read list is New Rules of Lifting.The photos are small but quite clear. The instructions are quite specific about how things are held and how to stand so the photo isn't always needed. A big photo taking up half a page at a time in a big book is hardly an advantage.I think the secret is that the real facts of lifting don't really take up that much space. It has lifts arranged by muscle groups, not alphabetically, like the "Great Big Book of". It even a good size to take along with the workout gear.This book answered my questions on how to get by with squats using dumbells (one leg at a time, that's how). The book also does not focus entirely on isolation of single muscles which is a good thing. For the price I don't see what the problem is. It's great to have another view of what your doing to help keep it fresh. This and New Rules are my current reading.E