100 tours for the backyard telescope.

Astronomy writer Sue French has earned a passionate following among backyard enthusiasts with her accessible, informative monthly columns in Sky & Telescope magazine. Deep-Sky Wonders is a welcome expansion of the winning format of her best-selling book Celestial Sampler. Organized by season, this new collection offers readers 100 in-depth tours of the deep sky and a range of challenging objects that will encourage observers to test the limits of their equipment and skills.