Tim Gregory

While spending two days touring a zoo to see the baby animals, the four Alden children, aged six to fourteen, help catch an escaped monkey, participate in a photography contest, and investigate a missing camera.

While the Aldens are visiting a friend of Grandfather's at the beach, Benny finds a long-lost piece of a map to a legendary pirate treasure, a discovery that brings unwanted attention from fortune hunters.

"The Aldens visit a dinosaur dig in Montana and soon become involved in a mystery involving missing dinosaur bones"--

Scoffing at an urban legend about a cannibalistic madman during a field trip to Black Bear Mountain, the Hardy brothers are on the case when their teacher goes missing, stranding their class in the wilderness with no way to call for help.

When someone is out to frame Frank and Joe for the theft of an original Sherlock Holmes manuscript, they use a group of skateboarders as sources of information in their attempt to clear their names.

The Alden children investigate various mix-ups at a zoo run by their grandfather's friend in an effort to save it not only from pranksters but also from the town council.

When the Aldens help a friend of their grandfather's to build the world's largest yo-yo, they soon discover that more than one person is trying to prevent them from finishing the job--and for more than one reason.

The Aldens are excited to meet their favorite celebrity: Walter the Cat, who makes the funniest videos on the Internet! And when this celebrity cat inherits a million dollars from his owner, he becomes even more famous! But someone seems to be angry about the will and is stealing things from Walter's house. Is this cat too famous for his own good?

" The Hardy Boys are visiting Paris! Joe is excited to check out all the street art he's heard about. And Frank can't wait to go to all the museums he's researched. On their very first day in the city, the brothers are woken up early in the morning by fireworks. But these are no ordinary fireworks. They are a part of elaborate cover for the heist of a priceless artifact. What's worse, the theft seems to have been orchestrated by Joe's favorite street...

When Joe and Frank Hardy stop a group of ranch hands from stealing the Welch family's prize horse, they are invited to help drive cattle back to the Welch ranch, where they encounter dangerous acts of sabotage.