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.

Connecticut middle-schooler Jake and his older sister Kady are transported by a Mayan artifact to a strange world inhabited by a mix of people from long-lost civilizations who are threatened by prehistoric creatures and an evil alchemist, the Skull King.

In the 1890s, Conor and his family live on the sovereign Saltee Islands, off the Irish coast. He spends his days studying the science of flight with his tutor and exploring the castle with the king's daughter, Princess Isabella. But the boy's idyllic life changes forever the day he discovers a deadly conspiracy against the king. When Conor tries to intervene, he is branded a traitor and thrown into jail on the prison island of Little Saltee. There,...

In an alternative London ruled by a young Queen Victoria, Dodger, a resourceful, homeless boy, unwittingly prevents Sweeney Todd from committing murder.

In 1613 Japan, English orphan Jack Fletcher's determination to keep the rutter, his father's navigational logbook, safe at all costs places his friends, daimyo Takatomi, and others in great danger.

At the turn of the fourteenth century in Scotland, young Archie Forbes becomes involved with both William Wallace and Robert the Bruce in the struggle for Scottish independence from English rule.

Driven from their impoverished Irish village, fifteen-year-old Maura and her younger brother meet their landlord's runaway son in Liverpool while all three wait for a ship to America; their fates continue to intertwine on board ship and in the New World.

"Wade, Lily, Darrell, and Becca fly from Texas to Germany for the funeral of an old family friend. But instead of just paying their respects, they wind up on a dangerous, mind-blowing quest to unlock an ancient, guarded secret that could destroy the fate of the world"--Provided by publisher.

After having been marooned on an island for ten days, Catherine and William are finally rescued and brought aboard a pirate ship that is captained by a woman who takes a liking to William and forbids Catherine, his true love, from seeing him.

Travel deeper into the mysterious world of the Copernicus Legacy with the Copernicus Archives: exciting, fast-paced novellas that get you close to the characters and the heart of the adventure. Becca and the Prisoner's Cross is studious language expert Becca's thrilling first-person account of the next stop in the Kaplans' perilous journey. As Becca and her family race through London, it's up to Becca to make sense of the strange time blackouts she's...