Blue whales are the largest animals on earth but hunting and human impact on their habitat have caused their numbers to diminish. This informational text gives facts about blue whales as well as information as to why they are at risk. The reader learns about reasons why blue whales are at risk, why they are important and ways that we can help them.

The Animals At Risk series focuses on animals that are in danger of being extinct and what can be done to help them. The series includes many text features that aid the reader in their learning including maps showing the animals range, diagrams, bold words to highlight important vocabulary and a glossary. This series is a part of the Blast Off Reader Level 2 series and is 24 pages. The text is 2-3 sentences per page with color photographs.