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