Listmania!
Complete Bonsai Collection
By an Amazon.com customer
The Bonsai Workshop (Our Garden Variety)The Bonsai Workshop (Our Garden Variety) by Herb Gustafson
Buy new: $13.57 / Used from: $1.93
Excellent beginner to intermediate book. Very comprehensive; the author does a good job at explaining the "why's" behind different training techniques. Could use more ilustrations though.
The Complete Book of BonsaiThe Complete Book of Bonsai by Harry Tomlinson
Buy new: $28.13 / Used from: $17.00
Another excellent beginner to intermediate book. Nice large pictures of many different bonsais. More to the point: less wordy with explanations than #1.
Bonsai (101 Essential Tips)Bonsai (101 Essential Tips) by Harry Tomlinson
Buy new: $5.00 / Used from: $2.00
The bonsai version of #2. Covers the BARE ESSENTIALS. Nothing else. Only for beginners and people considering starting with the hobby.
Bonsai Survival Manual: Tree-by-Tree Guide to Buying, Maintaining, and Problem SolvingBonsai Survival Manual: Tree-by-Tree Guide to Buying, Maintaining, and Problem Solving by Colin Lewis
Buy new: $15.61 / Used from: $7.65
Get either #1 or #2 as your primary book, and add this one to complete the set. It gives you everything that the most common species need to grow healthy (water,amount of sun,type of soil,etc).
The Art of Bonsai DesignThe Art of Bonsai Design by Colin Lewis
Buy used from: $16.83
For advanced bonsai growers. It's a case by case presentation of very complex styles (that look amazing!) to stimulate you to step out of the mold and develop your own ideas.
Bonsai: Its Art, Science, History and PhilosophyBonsai: Its Art, Science, History and Philosophy by Deborah R. Koreshoff
Buy used from: $50.00
Finally, the icing on the cake...a book that gives you the scientific, historical, and phylosophical facts behind this art. Gives new meaning and depth to the hobby.