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Young Adult Books
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Released May 9, 2017 (Putnam/Penguin)

Written with co-author Jake Halpern, Edgeland is an upper-middle grade thriller by the New York Times bestselling authors of Nightfall.

★ “Halpern and Kujawinski have constructed a refreshing, original fantasy that thoughtfully probes the subjects of class, religion, and morality. . . . Compellingly written, this otherworldly adventure is a unique offering that deserves attention.”—Booklist, [starred review]


Released September 22, 2015 (Putnam/Penguin)

A New York Times and Indiebound bestseller!!!

The dark will bring your worst nightmares to light in this gripping and eerie survival story, perfect for fans of James Dashner and Neil Gaiman.

“Halpern and Kujawinski invent a fascinating world that comes to life, full of intriguing monsters . . . . The teens’ desperate journey to find their way off the island will keep readers turning pages.”—Kirkus Reviews


Released October 8, 2013

In this long-awaited finale to the Dormia trilogy, the dreaded nursery rhyme comes to life at last as a “dark shadow tree” threatens to cause the “world’s end.” And who will stop it? Alfonso is now an ageling, Resuza and Hill are slaves, Bilblox appears to be a traitor, and Leif is shipwrecked on the edge of a forbidding forest. An ancient prophecy states that the tree can be destroyed, but the price must be paid in blood, and whoever tries faces certain death. Nonetheless, a hero must journey northward, across the great polar expanse, to Dargora – the mythical city built of ice and human bones – and make the sacrifice before it’s too late.


Released November 10, 2010 (Houghton Mifflin Harcourt)

Ever since he returned from Dormia, Alfonso Perplexon has enjoyed sleeping like a normal person. No dropping off to sleep in the middle of school. No waking up at the top of a tree. In fact, no sleepwalking at all. But on a class trip to France, his sleeping self takes over and he finds himself doing things his wakeful self would never do—like stowing away on a ship headed for Egypt. Something is calling him back to Dormia. With only a backpack, some books, and a feeling of dread, Alfonso sets off once again.

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Published May 4, 2009 (Houghton Mifflin Harcourt)

Ordinary sleepwalkers wake up in the living room or in the kitchen eating ice cream. But 12 year old Alfonso Perplexon tends to wake up tightrope-walking along a set of power lines or clinging to the top of a massive, windblown pine tree.  No one in his hometown of World's End, Minnesota, has seen anything like it, until one wintry evening an old man arrives at  Alfonso's doorstep with an astounding explanation...

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