Working dogs
Humans and dogs have shared a close relationship for thousands of years. Today, there are around 600 million domestic dogs living throughout the world. Many of them are trained to perform important tasks. These working dogs pull sleds, assist the disabled, protect us from harm, and search for lost p...
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| Format: | BOOK |
| Language: | ENGLISH |
| Published: |
Children's Press
2013
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| Series: | Nature's children |
| Subjects: |