Christina and Grant must endure scary statues, mysterious monks, breathtaking cold, and sabotage in their efforts to help Uncle Mike and his friend reach the summit of Mount Everest.
When they travel by train across America, Christina, Grant, Mimi, and Papa find themselves facing mysterious mishaps, spooky surprises, and treacherous tunnels.
Curie and Nick Masters follow their mad-scientist father to some of the country's most tornado-prone locations, learning about past tornadoes and the possibility of future ones.
Curie and Nick Masters join their scientist father as he studies dangerous hurricanes. Includes facts, trivia, and safety information about hurricanes.
Curie and Nick Masters follow their mad-scientist father to some of the country's most earthquake-prone locations, learning about past earthquakes and the possibility of future quakes.
Scientist Artemis Masters travels with his children Curie and Nick to the Adriondacks where he has been hired by local resort owners to develop an early warning system for snowstorms, but when he becomes ill, Curie and Nick take over managing the experiment while trying to figure out why their hosts are trying to sabotage their efforts.
Mimi, Papa, Christina, and Grant make an emergency landing on Diamond Shoals off the North Carolina coast and encounter a mysterious light on the beach.
Christina, Grant, Benjamin, and Katherine become gridlocked in a mystery that takes them on a hair-raising history tour of New York City's most famous landmarks to find a priceless missing part of history.
Christina, Grant, Benjamin, and Katherine become gridlocked in a mystery that takes them on a hair-raising history tour of New York City's most famous landmarks to find a priceless missing part of history.