Do people call you mysterious? Are you loyal to a fault? If this sounds familiar, you might be a Scorpio.

Did you know that planters put seeds in the ground in neat rows? This helps make sure the plants have room to grow. Learn more about these machines in Planters, one of the titles in the Farm Machines series.

Did you know that wolves have their babies in the spring? They take care of the babies in their den. Find out more in “Wolves”, a Little Backyard Animals book.

Did you know that crop sprayers come in many shapes and sizes? Small crop sprayers look like backpacks. Learn more about these machines in Crop Sprayers, one of the titles in the Farm Machines series.

Did you know that a cultivator can be up to 80 feet wide? That is wider than two school buses put end to end. Learn more about these machines in Cultivators, one of the titles in the Farm Machines series

Did you know that black bear cubs are born in a den? They stay with their mother, who feeds them and keeps them warm. Find out more in “Black Bears”, a Little Backyard Animals book.

Did you know that baby bald eagles have gray feathers? These feathers turn brown as the eagles get older. Find out more in “Bald Eagles”, a Little Backyard Animals book.

Octopuses are known for having eight arms. If an octopus loses an arm, it can grow a new one. Find out more in Octopuses, one of the titles in the Creatures of the Sea series.

Singapore is both a city and a country. It is made up of a main island and about 60 smaller islands. Almost 6 million people live there. Find out more about this fascinating city in Singapore, a title in the World Class Cities series.

Pushing the roundabout makes it spin. Pulling the roundabout makes it stop. Learn more about what is pushed and pulled at the playground in At the Playground. This title is part of the Pushes and Pulls series, which has been developed for children ages 5 to 7.