When best friends Chris and Win go on a cross country bicycle trek the summer after graduating from high school and only one returns, the FBI wants to know what happened.

In a future North America, where the rulers of Panem conduct an annual televised survival competition pitting young people from each of the twelve districts against one another, sixteen-year-old Katniss’s skills are put to the test when she volunteers to take her younger sister’s place.

Bioengineered Rat and her twelve-year-old human companion, Jeff, stand together when Dr. Vivexian, who considers Rat his masterpiece, arrives at the space station to capture her.

Apsley “Cherry” Cherry-Garrard shares his adventures as the youngest member of Robert Scott’s expedition to Antarctica in 1910, during which he and Edward Wilson try to learn the evolutionary history of emperor penguins, nearly dying in the attempt.

In a remote area of Alaska, twelve-year-old Willow helps her father with their sled dogs when she is not at school, all the while unaware that the animals surrounding her carry the spirits of ancestors and friends who care for her.

Still mourning the death of their mother, three brothers go with their father on an extended sailing trip in the Bahamas and have a harrowing adventure at sea.

On a two day train trip to enter his invention in the National Science Competition in Washington,D.C., fourteen-year-old Steven “Steel” Trapp, possessor of a remarkable photographic memory, becomes embroiled in an international plot of kidnapping and bribery that may have links to terrorists.

In 1191, fifteen-year-old Tristan, a youth of unknown origin raised in an English abbey, becomes a Templar Knight’s squire during the Third Crusade and soon finds himself on a mission to bring the Holy Grail to safety.