The launch of a middle grade fantasy trilogy set in an alternate 1870s America, where electricity is a dangerous and forbidden science, Native Americans and Yankees live side-by-side as a United Nations, and eldritch evil lurks in the shadows beyond the gaslights... Young Archie Dent knows there really are monster in the world. His parents are members of the Septemberist Society, whose job it is to protect humanity from hideous giants called the Mangleborn. Trapped in underground prisons for a thousand years, the giant monsters have been all but forgotten—but now they are rising again as the steam-driven America of 1875 rediscovers electricity, the lifeblood of the Mangleborn. When his parents and the rest of The Septemberists are brainwashed by one of the evil creatures, Archie must assemble a team of seven young heroes to save the world.

The Dragon Lantern is the second action-packed, steampunk adventure in the League of Seven series by the acclaimed author of Samurai Shortstop, Alan Gratz. Archie Dent is convinced that he and his friends Hachi and Fergus are the first three members of a new League of Seven: a group of heroes who come together to fight the Mangleborn whenever the monsters arise to destroy humanity. His belief is put to the test when they are forced to undertake separate missions. Archie and his faithful Tik-Tok servant Mr. Rivets pursue a shapeshifting girl who has stolen the Dragon Lantern, an ancient artifact with mysterious powers. And Hachi and Fergus travel to New Orleans to find Madame Blavatsky, the only person who knows the circumstances surrounding the death of Hachi's father. In the course of their adventures the three heroes meet potential candidates to join their League. At the same time, they learn deep-rooted secrets that could destroy the League forever….

The Monster War is the third book in the action-packed, steampunk League of Seven series by acclaimed author Alan Gratz. Having discovered the monstrous secret of his origins, Archie Dent is no longer certain that he is worthy to be a member of the League of Seven. But with new enemies to face, he realizes that he may not have the luxury of questioning his destiny. Wielding the Dragon Lantern, the maniacal Philomena Moffett has turned her back on the Septemberist Society, creating her own Shadow League and unleashing a monster army on the American continent. Archie and his friends must race to find the last two members of their league in time to thwart Moffett's plan and rescue humanity once more. "A fitting capstone to an epic adventure replete with monsters, huge explosions, clever twists, and just deserts." - Kirkus Reviews