Science super-sleuths Drake Doyle and Nell Fossey are back—this time in a never-before-published addition to the popular series! They’ve got an exciting collection of cases, too: Are ghosts and ghouls keeping Edgar Glum awake? Have aliens invaded Mossy Swamp? What’s the crooked game everyone’s losing at the carnival? And why is the town bridge going bananas? Kids will have fun following the clues—and learning about such real scientific principles as amplification, ecosystems, magnetic fields, and more. Plus, budding Doyles and Fosseys will find actual experiments to try!

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.

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.

ORPHANED BY THE plague and penniless, Mateo must find his way in the world. By chance he is made a cabin boy on the celebrated voyage of Captain-General Ferdinand Magellan. The destination is secret, but the crew whispers that Magellan will be the first to sail east to the Spice Islands by going west—and everyone shall return with untold riches. At sea, Mateo discovers the meaning of friendship, loyalty, and hard work, as well as the delight of first love. But when the ocean rages and brother turns against brother, both Mateo and Magellan are in danger—and it’s not clear if anyone will survive. . . . “Torrey deftly maintains the taut thread of adventure that, along with the cast of memorable characters, keep the pages turning.”—Publishers Weekly, Starred “This deserves to be in the hands of every reader who loves history and adventure.”—Kirkus Reviews

Sabotage at the school election! Milo and Jazz are on the case with their STEM problem-solving skills in this ninth chapter in the series. Campaign mania hits Westview when Jazz decides to run for school president. But is someone stealing all her best ideas? And how? Milo and Jazz must solve the mystery—before Election Day! The Milo & Jazz Mysteries is an ideal series for beginning readers making the transition to chapter books. It also features “Super Sleuthing” activities in each book, including hidden pictures, puzzles, mini-mysteries, and quizzes—plus free online activities.

Mary-Kate and Ashley are excited to attend their town's annual Halloween Carnival. Every year, the carnival's proceeds go to charity -- but this year, few people are riding the rides or playing the games. That's because there's a ghost at the carnival that's scaring all the kids away! The girls must figure out who or what the spectre is -- and how to get rid of it -- or the carnival doesn’t stand a ghost of a chance!