Laser Photocoagulation of the Retina and Choroid . By Folk JC, Pulido JS. Pp 292; £75. San Francisco: American Academy of Ophthalmology, 1997. ISBN 1-56055-045-7. In the preface to this book, the authors state their aim to make this book both practical and useful—a “how to” on laser treatment. They have managed to achieve this goal as well as include considerable detail and suggestions for further reading. The book begins with an overview of the physics of lasers and the optics of laser delivery systems. It is possible to cover the material quite quickly, as the layout is uncluttered and interspersed with clear diagrams and tables, which aid memorisation of the important points. The complications of laser photocoagulation are covered in some detail, together with a description of the different wavelengths of lasers available and their different indications. With the exception of a chapter devoted to a selection of miscellaneous conditions at the end of the book, …