A lion cub is kidnapped while the Thea Sisters visit a Kenyan safari, and they must travel across the savanna to rescue him.

When a kangaroo court of Everafters, led by Judge Mad Hatter, tries Mr. Canis for his past crimes as the Big Bad Wolf, the Grimms seek evidence to save their friend, although Sabrina questions whether he should be saved.

The Aldens visit the shore in New Jersey and help out at an amusement pier that is rumored to be unsafe.

Moving to the small town of Pumpkin Falls to take over the family bookstore when her injured war veteran father cannot find other work, Truly finds an unsent letter in a valuable book and embarks on a madcap treasure hunt.

While trying to find a way for her elementary school to help fund the seabird rescue following an oil spill in the San Francisco Bay, Julie investigates the theft of rare guitar.

The Aldens visit an old camp in Quebec, Canada, and begin to suspect that someone or something is trying to scare them away from the place.

Nancy Drew teaches members of her Detective Club about handwriting analysis, fingerprints, codes, and plaster casts, and the girls confront thieves, forgers, arsonists, and fortunetellers as they solve ten baffling mysteries.

When Rebecca attends summer camp in the country because of the spreading polio epidemic in New York City, she is troubled by a bully in her tent and another fellow camper who is strangely secretive.

Frank and Joe unravel clue after clue in their adventure-packed search for the living descendant of the mighty Aztec nation which once ruled Mexico.

At their orphanage life is trouble for twins Sadie and Saskia Dopple and their friend Erik Morrissey Ganger, but when a mysterious woman adopts Saskia and takes her to a mansion filled with secrets, Sadie and Erik escape the orphanage to save her.