School Spirit

2008

What Do You Dream?

2003

Scaredy Kat

2009

The Reinvention of Moxie Roosevelt

2010

Crossing Over

2010

Legend of the Ghost Dog

2012

ParaNorman

1825

The Top Job

2007

The Boxtrolls

A Novel

2014

Boy on the Lion Throne

The Childhood of the 14th Dalai Lama

2009

My Penguin Osbert

2004

Lily B. on the Brink of Paris

2006

Glamsters

2008

Before Columbus

The Leif Eriksson Expedition

2003

Balto and the Great Race

1999

To the Frontier

2002

Unhappy Medium

2009

Lucky Dog

Twelve Tales of Rescued Dogs

2014

Lily B. on the Brink of Cool

2003

In the Stone Circle

1998

Suddenly Supernatural Books 1 and 2

Book 1: School Spirit; Book 2: Scaredy Kat

2009

Ice Story

Shackleton's Lost Expedition

1999

Secret of the Mountain Dog

2014

Spin the Bottle

2008

Visiting Miss Caples

2000

Lily B. on the Brink of Love

2005

ParaNorman

A Novel Extended Free Preview

2012

As Far as the Eye Can Reach

Lewis and Clark's Westward Quest

2003

Ladies First

40 Daring American Women Who Were Second to None

2006

My Penguin Osbert in Love

2008

A Taste of Freedom

Gandhi and the Great Salt March

2014

The Jazzman's Trumpet

A Kit Mystery

2015

Mary Ingalls on Her Own

2007