| Subjective
Criteria |
| Illustrations: Little support |
| Vocabulary: Many difficult words |
| Language: Many descriptive words |
| Sentences: Some Long/Complex |
| Text structure: Formal |
| Inferences: Some implications |
| Concepts: Abstract/Complex Environmental |
| Glossary |
| Index |
|
| Features |
| Integral Setting - Historical |
|
| Topics |
| Whales |
| Searching/Hunting |
| Undersea Life |
| Nature |
| *Animals |
| Ocean |
| *Economics |
|