book shop › Backyard Astronomy: Your Guide to Starhopping and Exploring the Universe (Nature Company Guides) by Alan Dyer Backyard Astronomy: Your Guide to Starhopping and Exploring the Universe (Nature Company Guides) by Alan Dyer $12.00 Condition: Very Good. Used books may not include companion materials, and may have some shelf wear or limited writing. Add To Cart Added! Condition: Very Good. Used books may not include companion materials, and may have some shelf wear or limited writing.