Explorers make an expedition into a crater which leads to the center of the earth and to some incredible discoveries.

An eccentric like all Helmsleys, eleven-year-old Archer escapes his overprotective mother and recruits two friends, Oliver and Adelaide, to help him plan a rescue of his long-lost grandparents, world-famous explorers who disappeared atop an iceberg in the Antarctic.

Twelve-year-old Cruz Coronado leaves his home in Hawaii to study and travel with other young people invited to attend the elite Explorer Academy in Washington, D.C.

"Archer Helmsley's grandparents have finally returned home, but there are rumors they've brought a curse with them"--

An ambitious and daring young man, Sam Morgan leaves his home in 1820s Pennsylvania to seek adventure and a fortune in the frontier West, accompanied by a colorful assortment of companions he meets along the way.

Told in rhyming text, Princess Truly uses her super powers to explore the world, whether it is visiting penguins with her brother in Antarctica, or taking her timid pug Sir Noodles on a vacation in a rain forest.

When no one can tell him what is at the edge of the world, the King of Quizzical Island sets sail to find out for himself, over his people's objections.