Amazon.com description: Product Description: Practical Skywatching is part of a four-book series, The Nature Companions; practical guides to observing and appreciating the wonders of the natural world. This spectacular series provides readers with a thorough understanding of topics such as skywatching, birding, natural habitat gardening, and rocks and fossils. Written in clear, accessible text by acclaimed scientists and specialists in each field, each book contains a wealth of images by the world's foremost photographers and detailed, specially commissioned illustrations. Designed for enthusiasts of all ages, The Nature Companions series is a comprehensive source of reference that belongs in the personal library of all those who are curious to learn more about the world around them.