The best instructions I have ever seen - this is how it should always be done. Crystal clear diagrams, and gorgeous photographs of the various projects will inspire you whatever level you are at. The section on stitches and techniques at the back is excellent, and will remove any guesswork leaving you free to be creative.
I was a beginner starting this book, and have improved very quickly to a level where I feel comfortable "doing my own thing" with the knowledge and experience I've acquired.
A word of warning to all beaders though, you WILL spend all your spare money on beads to make beautiful jewellery!