An elementary exploration of volcanoes, focusing on the geological evidence that helps explain how and where they form and spotlighting famous examples, such as Hawaii’s Mauna Loa.
An elementary exploration of landslides, focusing on the geological evidence that helps explain how and where they form and spotlighting famous examples, such as the 2013 Indian landslides.
A brief overview of the physical characteristics, personality traits, and habits of the boxer breed, as well as descriptions of famous pop-culture boxers such as Wilson.
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.
An elementary introduction to the English soccer team Manchester United, including a brief history since the team’s 1878 founding, its main rivals, notable players, and Champions League titles.
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.
An elementary introduction to the Spanish soccer team Real Madrid, including a brief history since the team’s 1902 founding, its main rival, notable players, and Champions League titles.
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.
An elementary introduction to the German soccer team Bayern Munich, including a brief history since the team’s 1900 founding, its main rival, notable players, and Champions League titles.
An elementary introduction to the English soccer team Liverpool FC, including a brief history since the team’s 1892 founding, its main rivals, notable players, and Champions League titles.
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.