Revised Fourth Edition: updated for use through 2025. Written by Canadian astronomy writer and RASC member Terence Dickinson. NightWatch has been a must for the novice amateur astronomer for 30 years. The first three editions of NightWatch sold more than 600,000 copies, making it the top-selling stargazing guide in the world for the last 20 years. The key feature of this classic title is the section of star charts that are cherished by backyard astronomers everywhere. Each new edition has outsold the previous one because of thorough revisions and additional new material. NightWatch has been acclaimed as the best general interest introduction to astronomy. This hardcover edition includes star charts for use in the southern hemisphere. There are also dozens of new photographs throughout the book that show the latest thrilling discoveries made by current space observatories and probes.