The first edition of this very successful book was a winner of the Astronomical Society of the Pacific's "Astronomy Book of the Year" award in 1986. The popularity of the book's programs is based on the ease with which the amateur astronomer can perform calculations on a personal computer. The routines are not specific to any make of computer and are user-oriented in that they utilize a simple version of the BASIC programming language and require only a broad understanding of any particular problem. Seven new subroutines in this new edition can be linked in any combination with the existing twenty-six. Since the programs themselves take care of details, they can be used, for example, to calculate the time of rising of any of the planets in any part of the world at any time in the future or past, or they may be used to find the circumference of the next solar eclipse visible from a particular place. In fact, almost every problem likely to be encountered by the amateur astronomer can be solved by a suitable combination of the routines given in this book. Peter Duffett-Smith is the author of another popular astronomy book: Astronomy with Your Calculator (3rd Edition), also published by Cambridge University Press. | Astronomy with your Personal Computer by Peter Duffett-smith, Paperback | Indigo Chapters