A basic exploration of the parts, variations, and worksites of dump trucks, the hauling and dumping machines. Also included is a pictorial diagram of variations of dump trucks.
An elementary exploration of glaciers, focusing on the geological evidence that helps explain how and where they form and spotlighting famous examples, such as those in Glacier National Park.
A brief overview of the physical characteristics, personality traits, and habits of the Chihuahua breed, as well as descriptions of famous pop-culture Chihuahuas such as Gidget.
An elementary exploration of earthquakes, focusing on the geological evidence that helps explain how and where they form and spotlighting famous examples, such as the 2004 Indian Ocean quake.
An elementary exploration of geysers, focusing on the geological evidence that helps explain how and where they form and spotlighting famous examples, such as Yellowstone’s Old Faithful.
A basic exploration of the parts, variations, and worksites of excavators, the big digging machines. Also included is a pictorial diagram of variations of excavators.
An elementary exploration of canyons, focusing on the geological evidence that helps explain how and where they form and spotlighting famous examples, such as Arizona’s Grand Canyon.
A basic exploration of the appearance, behavior, and habitat of ostriches, the tall, fast-running African birds. Also included is a story from folklore explaining why ostriches keep their wings close to the body.
A basic exploration of the parts, variations, and worksites of cranes, the tall moving machines. Also included is a pictorial diagram of variations of cranes.
A basic exploration of the appearance, behavior, and habitat of snow leopards, the non-roaring big cats of Central Asia. Also included is a story from folklore explaining why snow leopards have spotted fur.
A basic exploration of the appearance, behavior, and habitat of peacocks, the rainforest birds whose males have showy feathers. Also included is a story from folklore explaining why peacocks are so colorful.
A basic exploration of the appearance, behavior, and habitat of rays, the flat-bodied fish with skeletons made of cartilage. Also included is a story from folklore explaining why rays’ fins look like wings.
A basic exploration of the parts, variations, and worksites of backhoes, the digging and hauling machines. Also included is a pictorial diagram of variations of backhoes.
A basic exploration of the parts, variations, and worksites of concrete mixers, the cement-mixing machines. Also included is a pictorial diagram of variations of concrete mixers.
A basic exploration of the appearance, behavior, and habitat of sloths, the slow-moving, tree-dwelling mammals. Also included is a story from folklore explaining why sloths do not build nests.
A basic exploration of the appearance, behavior, and habitat of manatees, the aquatic relatives of dugongs. Also included is a story from folklore explaining why manatees are associated with mermaids.
A basic exploration of the appearance, behavior, and habitat of armadillos, the distinctively armored American mammals. Also included is a story from folklore explaining how armadillos became musical.
A basic exploration of the appearance, behavior, and habitat of foxes, the widespread members of the dog family. Also included is a story from folklore explaining how foxes can outsmart other animals.
A kindergarten-level introduction to tow trucks, covering their purpose, where they are found, their drivers, and such defining features as their booms and winches.
A primer on the basic dos and don’ts of fishing, including tips on finding and accessing new fishing spots, advice on how to avoid polluted waters, and instructions for making a creel.
A primer on the basic dos and don’ts of fishing, including tips on choosing a proper rod and reel, advice on how to land a catch, and instructions for making a landing net.
An elementary exploration of dire wolves, focusing on fossil evidence that helps explain how their shaggy hair, strong jaws, and sharp teeth helped these beasts adapt to the last Ice Age.
A primer on the basic dos and don’ts of fishing, including tips on the best times to go fishing, advice on how to prepare for a fishing outing, and instructions for making a bug lure.
A primer on the basic dos and don’ts of fishing, including tips on where to find certain species, information on how a fish’s anatomical makeup helps it avoid getting hooked, and instructions for cleaning a catch.
An elementary exploration of monster birds, focusing on fossil evidence that helps explain how their wide wings and long feathers helped these beasts adapt to the last Ice Age.
