Book excerpt: Learn about the many intriguing aspects of spiders, including their body parts and structure, their habitat and how it supports them, and how they use webs to catch their next meal. Captions point out key visual details that readers can glean from the book's photographs, and chapter headings assist readers with locating information and main ideas. In addition, readers will find text features such as a labeled photo diagram, glossary, and index in the back of the book.