Animals that live in aquariums must be fed and cared for properly. Learn how aquarium workers use measurements daily to make sure aquarium animals have everything they need.
"Finding out about otters while also learning about odd and even numbers makes math seem like play ... Readers will be motivated to count the otters in the colorful photographs and figure out if the sums are odd or even."--Publisher.
A young otter, kidnapped in his infancy and raised as a warrior-thief by a band of vermin, leaves the tribe and goes off to seek adventures of his own.
