Philip S. Harrington

The most complete guide to viewing eclipses-including details on every solar and lunar eclipse through 2017 Want to observe the most fleeting ecli...

Whether you're shopping for your first telescope or your fifth, don't be surprised if you feel overwhelmed by the dazzling array of product choices...

Your Passport to the UniverseThe night sky is alive with many wonders—distant planets, vast star clusters, glowing nebulae, and expansive galaxies,...

This comprehensive work takes you on a personal tour of the universe using nothing more than a pair of binoculars. More comprehensive than any book...