"In this first in a series of ... [companion] novellas [to] the Copernicus legacy series, Wade travels to Hawaii and San Francisco in a race to find one of the twelve ancient relics"-- Provided by publisher.

"What if young Arthur Conan Doyle really went to a secret school for extraordinarily gifted children called Baskerville Hall? When a mysterious man with a pipe notices young Arthur's incredible deductive skills, Arthur's offered a spot at the esteemed Baskerville Hall and a chance to lift his family out of poverty. There Arthur makes quick friends with Irene Eagle, a girl who boldly strides into any adventure, and Jimmie Moriarty, a boy whose brilliance...

When farm boy Homer Pudding's explorer-uncle dies and leaves him a droopy dog with a mysterious coin hidden on its collar, it leads him to The City, where they meet Madame La Directeur, the conniving head of the Natural History Museum, who is trying to steal the coin and take Homer's place in a secret society of adventurers.

When an alternate 1875 steam-driven America rediscovers electricity, the lifeblood of the Mangleborn monsters, and the secret society to protect humanity from the Mangleborn is compromised, twelve-year-old Archie must assemble a team of seven young heroes to save the world.

As Wade, Darrell, Lily, and Becca continue their search for an ancient relic, Wade's mother is kidnapped by Galina Krause, leader of the present-day Teutonic Knights.

Horace F. Andrews and his friend Chloe are Keepers of magical objects of extraordinary power. But as the presence of a new Keeper is made known, they are drawn into a struggle to find out who she is and where her loyalties lie. This is a gripping sequel to The Box and the Dragonfly, the first book in Ted Sanders' Keepers series, hailed by the New York Times Book Review as a "satisfying and original quest tale." As Horace and Chloe adjust to their...

After their father's research experiment at the British Museum unleashes the Egyptian god Set, Carter and Sadie Kane embark on a dangerous journey across the globe--a quest which brings them ever closer to the truth about their family, and their links to a secret order that has existed since the time of the pharaohs.

"It's been two months since the Kaplan family hunted down the Serpens relic, but when the evil Galina Krause suddenly and violently reappears, Wade, Darrell, Lily, and Becca have no choice but to face her again. Now they must race to find an artifact said to be crafted by Leonardo da Vinci himself--perhaps the strangest Guardian of all. Along the way, they uncover another layer to Galina's sinister endgame . . . and there might not be enough time...

"Homer thought membership in L.O.S.T., the mysterious Society of Legends, Objects, Secrets, and Treasures, would help him find pirate Rumpold Smeller's missing treasure. But when Homer's enemy, Lorelei, forms an evil organization called FOUND, Homer and Dog face an impossible decision: Work with Lorelei to find the prize once and for all, or abandon their lifelong quest to locate the treasure"-- Provided by publisher.

When Michael Malone saves a dog, he discovers that he has paranormal abilities, which bring him to the attention of a secret organization, UNICORNE--but he plans to use the ability to find out what happened to his father, who mysteriously vanished three years earlier, and save his new friend, Freya.