Torrey, Michele

Fourth-graders Drake Doyle and Nell Fossey combine their detective and scientific investigation skills to solve a variety of cases, involving a noisy garbage can, endangered frogs, a stuck truck, and a mysterious love letter.

Fourth-graders Drake Doyle and Nell Fossey combine their detective and scientific investigation skills to solve cases involving a crooked carnival barker, a mysterious ghost, an alien plant species invading wildlife habitats, and a wobbly bridge.

Fifth graders Drake Doyle and Nell Fossey use their detective and scientific investigation skills to solve cases which involve food poisoning, missing terns, a haunted treehouse, and a pig in a pit.

In the early nineteenth century, when his sea-captain uncle invites him to assist the ship's surgeon on his next voyage, orphaned, fourteen-and-a-half-year-old Phillip, eager to be with family, accepts only to find out that his uncle is a slave trader.

Fifth-grade sleuths and science experts Drake and Nell solve four challenging cases involving a werewolf at a campsite, a faked tyrannosaurus rex skeleton, a talking oven, and a polluted stream full of dead fish.

Fourteen-year-old Daniel's life is turned upside down when his father's merchant ship is plundered by pirates in 1696 and Daniel is forced to stay aboard the pirate ship as a hostage.

In 1519, after the death of his parents, fourteen-year-old Mateo Mac?as becomes cabin boy to Ferdinand Magellan on a dangerous journey in search of a route to the fabled Spice Islands.

In 1849, fifteen-year-old Nick and his older brother, longing to be whalers, sign on as hands on the whaling ship Sea Hawk, and find that the journey is full of hardship and unexpected dangers.

In 1519, after the death of his parents, fourteen-year-old Mateo Mac?as becomes cabin boy to Ferdinand Magellan on a dangerous journey in search of a route to the fabled Spice Islands.

Fourth-graders Drake Doyle and Nell Fossey combine their detective and scientific investigation skills to solve a variety of cases, involving a noisy garbage can, endangered frogs, a stuck truck, and a mysterious love letter. Includes a section of scientific experiments and activities.