Kat, who loves to make maps of all sorts of places and things, gives a special map to Jack.

In 1891, in a world transformed by 1799's Great Disruption--when all of the continents were flung into different time periods--thirteen-year-old Sophia Tims and her friend Theo go in search of Sophia's uncle, Shadrack Elli, Boston's foremost cartologer, who has been kidnapped.

Finding an old map, Gabe and his friends follow clues to a secret chamber beneath San Francisco, where they perform what they think is a friendship ritual before strange events reveal a sinister cult from a parallel realm.

When Bear follows Goose on what he thinks is a treasure hunt, they make a wonderful discovery.

Thirteen-year-old Sophia Tims, with her friend Theo, continues to search for her parents, explorers who have vanished as the borders shift within a world transformed by the Great Disruption of 1799.

Fifth grader True North Vincent is a map enthusiast who is struggling after spending months in quarantine because of a virus, and she finds herself navigating family responsibilities, new friendships, abandoned kittens, and a pirate treasure hunt.

Since the murder of the maharani of Ashoka--the country that controls all magic--the relationships between the royal siblings have fractured. At only 18, Vira has ascended to the throne, a role few in her council believe her capable of. Meanwhile, her twin brother, Ronak, is plotting to break free from a tactful marriage and taking their half-brother, Kaleb, (wrongfully imprisoned for the maharani's assassination) with him. The siblings' unease comes...

Walt's magical ability to bring maps to life puts him, his twin sister Van, and new friend Dylan in danger when an enchanted heirloom strands them in the fantastical world of Djaruba and they discover a malevolent rival to the kingdom, a fellow mapmaker, has nefarious plans for Walt.

In a world transformed by 1799's Great Disruption--when all of the continents were flung into different time periods, Sophia Tims journeys home to Boston, anticipating her runion with Theo, but he has been conscripted to fight inthe Western War, Prime Minister Broadgirldle's twisted vision of Manifest Destiny.

When Jake and Marisol return unexpectedly to the World Between Blinks, they find that nothing is as they left it. The Administrator is on an unstoppable mission, ordering his Curators to catalog absolutely everyone and everything as if they're exhibits in a museum. With rebels like Amelia Earhart and Queen Nefertiti facing the threat of their hourglasses of memories being flipped, Jake and Marisol, along with Marisol's big brother, Victor, must...