Friend's Email: Subject:I have found a book that I think you would enjoy
Horizons: Exploring the Universe (Astronomy)
Horizons Exploring the Universe - Astronomy Author:Michael Seeds, Michael Seeds How do we know what we know about the universe? This book attempts to answer the question. The author presents the conceptual foundations of astronomy within a pedagogical framework.
This isn't the best Astronomy textbook I've ever used, but it has the basics that you need, nice pictures, useful illustrations, and is fairly east to understand if you're far enough along in English and Math to be at the right level for it. The math equations and such are easy to spot when flipping through the sections, so finding an equation you need isn't difficult, and the layout and organization is logical and easy to follow.