HarperCollins, 2012  | illustrated by Patricia Castela

Balzer+Bray, 2011  | with Carson Ellis

Knopf Books for Young Readers, 2013  | illustrated by Iacopo Bruno

Delacorte, 2013  | stock composite

HarperTeen, 2012  | photo by Gus Marx

Delacorte, 2013  | stock composite

Balzer+Bray, 2012  | art by Anastasios Veloudis

Ember, 2013  | photo by Caiti Borruso

Balzer+Bray, 2010  | illustrated by Jon Klassen

Balzer+Bray, 2011  | illustrated by Jon Klassen

Balzer+Bray, 2012  | illustrated by Julia Denos

Balzer+Bray, 2012  | illustration by Erwin Madrid

Balzer+Bray, 2010  | illustrated by Heather Ross

Balzer+Bray, 2012  | photo by Aimee Barker

HarperCollins, 2012  | photo by Gus Marx

Katherine Tegen Books, 2012  | photo by Gus Marx

Balzer+Bray, 2011  | photo by Selina Kolokytha

 

Balzer+Bray, 2012 photo by Jupiterimages

Balzer+Bray, 2011 photo by Christopher Kolk

 

Balzer+Bray, 2011  | stock composite

Knopf Books for Young Readers, 2012  

HarperCollins, 2010  

Collins, 2010  

HarperCollins, 2011