Firefly Books

A portable guidebook for enjoying the night sky in 2025. 2025 Night Sky Almanac is the ideal resource for both novice and experienced sky watchers ...

Exploring the Night Sky is aimed at novice star gazers anxious to expand their astronomical repertoire beyond the Big and Little Dippers. Dickinso...

Since publication of the first edition of this book, we have enjoyed more than a decade of new readings and images taken by shuttles, rovers, and ...

Written by a dedicated selenophile (a person who loves the Moon), this guide to Earth's celestial companion is a non-technical narrative that quick...

What type of telescope is best for beginners? Can I use my camera to take photographs through a telescope? How good are the new computerized tele...

In the almost 15 years since the release of the fifth edition of The Universe and Beyond, our understanding of the universe has advanced exponentia...