Today’s Groupon offers two Collins astronomy books.

Stargazing: Beginners Guide To Astronomy

A brilliant new introductory guide to the night sky, from the Royal Observatory Greenwich.

Offering complete advice from the ground up, Stargazing is the perfect manual for beginners to astronomy - introducing the world of telescopes, planets, stars, dark skies and celestial maps.

Discover how to tackle light pollution, how to stargaze with just your eyes, and what equipment is best for beginners.

Astronomy experts Radmila Topalovic and Tom Kerss explain the best ways to plan your stargazing experience and the keys things to look out for on specific dates throughout the year.

With seasonal star charts, constellation charts and facts about our Solar System, Stargazing is packed with useful information and guidance for both the Northern and Southern Hemispheres.

Bridging the gap between human curiosity and the need for scientific expertise, Stargazing allows a complete novice to understand our place in the cosmos and enjoy the beautiful and extraordinary wonders of the night sky.

The perfect companion to the best-selling Guide to the Night Sky from Collins, Stargazing is a great way to get started in the fascinating world of astronomy.

2017 Guide To The Night Sky

A comprehensive handbook to the planets, stars and constellations visible from the northern hemisphere. 6 pages for each month covering January–December 2017. This practical guidebook is both an easy introduction to astronomy and a useful reference for seasoned stargazers.

Designed for Britain and Ireland but usable anywhere in the world between 40°N and 60°N, covering most of Europe, southern Canada and the northern United States.

Written and illustrated by astronomical experts, Storm Dunlop and Wil Tirion, and approved by the astronomers of the Royal Observatory Greenwich.

Content includes:

• Advice on where to start looking.

• Easy-to-use star maps for each month with descriptions of what to see.

• Positions of the moon and visible planets.

• Details of objects and events you might see in 2017.