From the New York Times bestselling author of The Glass Sentence, a lightly speculative, relevant puzzle box with undertones of Never Let Me Go.The time is now. The place is San Francisco. The world is filled with adults devoid of emotion and children on the cusp of losing their feelings—of "waning"—when they reach their teens.Natalia Peña has already waned. So why does she love her little brother with such ferocity that, when he's kidnapped by a Big Brother-esque corporation, she'll do anything to get him back?From the New York Times bestselling author of The Glass Sentence comes this haunting story of one determined girl who will use her razor-sharp wits, her martial arts skills, and, ultimately, her heart to fight killers, predators, and the world's biggest company to rescue her brother—and to uncover the shocking truth about waning.

A New York Times Best Seller An Indiebound Best Seller A Kids' Next Top Ten Book A Summer/Fall 2014 Indies Introduce New Voices Selection A Junior Library Guild SelectionOne of Publishers Weekly's Best Summer Reads"Not since Philip Pullman's The Golden Compass have I seen such an original and compelling world built inside a book."—Megan Whalen Turner, New York Times best-selling author of A Conspiracy of KingsShe has only seen the world through maps. She had no idea they were so dangerous. Boston, 1891. Sophia Tims comes from a family of explorers and cartologers who, for generations, have been traveling and mapping the New World—a world changed by the Great Disruption of 1799, when all the continents were flung into different time periods. Eight years ago, her parents left her with her uncle Shadrack, the foremost cartologer in Boston, and went on an...

The stunning conclusion to S. E. Grove's New York Times–bestselling Mapmakers trilogy—a historical, fantastical adventure perfect for fans of Philip Pullman!It is late August 1892, and Sophia Tims is coming home from a foreign Age, having risked her life in search of her missing parents. Now she is aboard ship, with a hard-earned, cryptic map that may help her find them at long last.But her homecoming is anything but peaceful. Threatening clouds hang over New Orleans harbor. Sinkholes have been opening in Boston, swallowing parts of the city whole. Rogue weirwinds tear up the Baldlands. Worst of all, New Occident is at war, led by a prime minister who will do anything to expand the country westward. He has blackmailed Sophia's beloved uncle Shadrack into drawing the battle maps that will lead countless men and boys—including Sophia's best friend, Theo—to their deaths.As Sophia puzzles out her next move, Shadrack is peeling back...

The eagerly-awaited sequel to the best-selling The Glass Sentence — a historical, fantastical adventure perfect for fans of Philip Pullman! It is the summer of 1892, one year since Sophia Tims and her friend Theo embarked upon the dangerous adventure that rewrote the map of the world. Since their return home to Boston, she has continued searching for clues to her parents' disappearance, combing archives and libraries, grasping at even the most slender leads. Theo has apprenticed himself to an explorer in order to follow those leads across the country—but one after another proves to be a dead end. Then Sophia discovers that a crucial piece of the puzzle exists in a foreign Age. At the same time, Theo discovers that his old life outside the law threatens to destroy the new one he has built with Sophia and her uncle Shadrack. What he and Sophia do not know is that their separate discoveries are intertwined, and that one remarkable person is part of...