This is a comprehension packet, test, and keys for National Geographic Crocodile Encounters by Brady Barr and Kathleen Weidner Zoehfeld. This series of books are great non-fiction chapter books. This book is approximately a DRA level of N. It is great for end of year second graders and beginning of the year third graders on average. Each chapter in the comprehension packet has questions. The test has multiple choice, short answer, and matching. A key is provided for the packet and the test.