An exploration of Death Valley National Park, including how its desert landscape was formed, its history of preservation, and tourist attractions such as the historic mansion called Scotty’s Castle.
An exploration of Yellowstone National Park, including how volcanoes helped form its landscape, its history of preservation, and tourist attractions such as the geyser called Old Faithful.
An elementary exploration of stag-moose, focusing on fossil evidence that helps explain how their wide antlers and sharp hooves helped these beasts adapt to the last Ice Age.
An elementary exploration of saber-toothed cats, focusing on fossil evidence that helps explain how their sharp, curved teeth and short legs helped these beasts adapt to the last Ice Age.
An elementary exploration of mammoths, focusing on fossil evidence that helps explain how their big tusks and shaggy fur helped these plant-eating beasts adapt to the last Ice Age.
A helpful guide for understanding the mathematical concepts and real-world applications of measurements, including classroom tips, common terms such as volume, and exercises to encourage hands-on practice.
A narration of the origins, advancements, and future of the formal sciences, including mathematics and computer science, and the ways in which scientists utilize the scientific method to explore questions.
A narration of the origins, advancements, and future of the physical sciences, including chemistry and physics, and the ways in which scientists utilize the scientific method to explore questions.
A narration of the origins, advancements, and future of the applied sciences, including engineering and medicine, and the ways in which scientists utilize the scientific method to explore questions.
A narration of the origins, advancements, and future of the earth and space sciences, including astronomy and geology, and the ways in which scientists utilize the scientific method to explore questions.
An in-depth look at the people and policies behind the government agency known as NASA, from its founding in 1958 to the controversies and challenges it faces today.
An exploration of Grand Teton National Park, including how its mountainous landscape was formed, its history of preservation, and tourist attractions such as the waterfall known as Hidden Falls.
An in-depth look at the people and policies behind the government agency known as the EPA, from its founding in 1970 to the controversies and challenges it faces today.
An exploration of Rocky Mountain National Park, including how its mountainous landscape was formed, its history of preservation, and tourist attractions such as the towering summit of Longs Peak.
An exploration of Big Bend National Park, including how its desert canyons were formed, its history of preservation, and tourist attractions such as the hiking route called Chimneys Trail.
An exploration of Badlands National Park, including how its carved landscape was formed, its history of preservation, and tourist attractions such as the rock formation known as the Badlands Wall.
A look at the origins, leaders, growth, and innovations of AT&T, the telecommunications company that was founded in 1877 and today provides services to hundreds of millions of subscribers worldwide.
Whatever happened to the city of Atlantis? Is there a conspiracy afoot to cover up alien activity at Area 51? Some of history’s Enduring Mysteries involve tales so incredible that they blur the lines between fact and fiction. As much evidence as can be examined about the curious phenomena associated with five legendary sites and creatures is explored in this new series, with notable examples of popular culture references and famous seekers and hoaxes. The truth is out there—for someone to find. This title takes an investigative approach to the curious phenomena and mysterious circumstances surrounding the Bermuda Triangle, from tales of vanishing ships to supernatural forces to hard facts.
Whatever happened to the city of Atlantis? Is there a conspiracy afoot to cover up alien activity at Area 51? Some of history’s Enduring Mysteries involve tales so incredible that they blur the lines between fact and fiction. As much evidence as can be examined about the curious phenomena associated with five legendary sites and creatures is explored in this new series, with notable examples of popular culture references and famous seekers and hoaxes. The truth is out there—for someone to find. This title takes an investigative approach to the curious phenomena and mysterious circumstances surrounding the creature known as Bigfoot, from reported sightings to hoaxes to hard facts.
Whatever happened to the city of Atlantis? Is there a conspiracy afoot to cover up alien activity at Area 51? Some of history’s Enduring Mysteries involve tales so incredible that they blur the lines between fact and fiction. As much evidence as can be examined about the curious phenomena associated with five legendary sites and creatures is explored in this new series, with notable examples of popular culture references and famous seekers and hoaxes. The truth is out there—for someone to find. This title takes an investigative approach to the curious phenomena and mysterious circumstances surrounding Atlantis, from historical accounts to popular mythic qualities to hard facts.
An exploration of Yosemite National Park, including how its mountainous landscape was formed, its history of preservation, and tourist attractions such as the granite monolith called El Capitan.
An exploration of Everglades National Park, including how its wetlands-rich landscape was formed, its history of preservation, and tourist attractions such as the bus route called Tram Road.
An exploration of Grand Canyon National Park, including how its enormous canyon was formed, its history of preservation, and tourist attractions such as the overlook called Mather Point.
An exploration of Great Smoky Mountains National Park, including how its mountainous landscape was formed, its history of preservation, and tourist attractions such as the historic settlement called Cades Cove.
A history of the bathyscaphe Trieste's 1960 descent to the bottom of the ocean, detailing the challenges encountered, the individuals involved, the discoveries made, and how the expedition left its mark upon the world.
