Henry Carter Hull

Presents evidence supporting Alfred Wegener's theory of continental drift. Explains plate tectonics and discusses what is known of the earth's crust and upper mantle.

Slavers and planet pirates have wreaked havoc in the galaxy for far too long, and now the fate of the galaxy is placed in the hands of the Generation Warriors. But before they can set about executing their plan, Sassinak is ordered to FedCentral to testify against slavers; her great-great-great-grandmother, Lunzie, discovers the true nature of a new friend; Fordeliton investigates the connection between the super-rich and the planet pirates; Dupaynil...

Soar into the Solar System to witness the first Favorite Planet Competition, emceed by none other than the former-ninth planet, now known as dwarf planet Pluto. The readers become the judges after the sun can't pick a favorite and the meteors leave for a shower. Who will the lucky winning planet be? Could it be speedy-messenger Mercury, light-on-his-feet Saturn, or smoking-hot Venus? Readers learn all about each planet as Pluto announces them with...

Describes Earth's surface, surroundings, interior, and distance from the sun, as well as the planet's beginnings.

Describes Mars' surface, surroundings, interior, and distance from the sun, as well as its discovery and missions to study the planet.

Describes Saturn's surface, surroundings, interior, and distance from the sun, as well as its discovery and missions to study the planet.

Describes Venus's surface, surroundings, interior, and distance from the sun, as well as its discovery and missions to study the planet.

Ms. Hansen and the explores help aliens Xeni and Zeno learn about the brain, describing its main functions and how it works with the other organs to help the body function properly.

Survey the distinctive cultures and lifestyles of the people affected by the great Pacific Ocean currents. Discover how the societies have adapted to the ocean's great bounty in ways both traditional and modern.