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Unknown, 2000
Current format, Unknown, 2000, First edition, All copies in use.
Unknown, 2000
Current format, Unknown, 2000, First edition, All copies in use. Offered in 0 more formats
Describes how dogs use their physical abilities, intelligence, and training by humans to perform a variety of jobs, including working in the movies, catching burglars, delivering messages, and cheering up children in hospitals.
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