• Juneberry Blue, Peachtree, 2024
  • Graduation Day!, Random House Books for Young Readers, 2023
  • Monsters in a Mess, Simon Spotlight, 2022
  • School Day!, Random House Books for Young Readers, 2022
  • Race for First Place, Red Truck Monsters, Simon Spotlight, 2022
  • Grandparents Day!, Random House Books for Young Readers, 2022
  • Only Margaret: A Story about Margaret Wise Brown, Eerdmans Books for Young Readers, 2021
  • Go, Go Tractors!, Random House Books for Young Readers, 2021
  • Bones in the White House: Thomas Jefferson’s Mammoth, Doubleday Books for Young Readers, 2020
  • Beach Day!, Random House Books for Young Readers, 2020
  • Garden Day!, Random House Books for Young Readers, 2019
  • How Aircraft Carriers Work, Lerner Publications, 2019
  • How Fighter Jets Work, Lerner Publications, 2019
  • Pembroke Welsh Corgis, Lerner Publications, 2019
  • Amanda Panda and the Bigger, Better Birthday, Doubleday Books for Young Readers, 2018
  • Snow Day!, Random House Books for Young Readers, 2018
  • Terrier Trouble!, National Geographic Kids, 2017
  • National Geographic Kids Chapters: Terrier Trouble!: And More True Stories of Animals Behaving Badly, National Geographic Children’s Books, 2017
  • Jazz Dance, Focus Readers, 2017
  • Dance Team, Focus Readers, 2017
  • Amanda Panda Quits Kindergarten, Doubleday Books for Young Readers, 2017
  • Tooth Fairy’s Night (Step into Reading), Random House Books for Young Readers, 2017
  • Stock Cars (Let’s Roll), Focus Readers, 2017
  • Monster Trucks (Let’s Roll), Focus Readers, 2017
  • Apple Picking Day! (Step into Reading), Random House Books for Young Readers, 2016
  • The Day of the Black Blizzard (On My Own History), First Avenue Editions, 2016
  • Investigating the Water Cycle, Lerner Publications, 2015
  • Pumpkin Day!, Random House Books for Young Readers, 2015
  • What’s Great about Indiana?, Lerner Publishing Group, 2015
  • Parts of a Flower, Lerner Publishing Group, 2015
  • Keepsake Storybook Classics Collection, Brighter Child, Kindle edition, 2014
  • Endangered and Extinct Amphibians, Lerner Publications, 2014
  • Tools and Treasure of Ancient China, Lerner Publications, 2014
  • Iva Honeysuckle Meets Her Match, Disney-Hyperion, 2014
  • Iva Honeysuckle Discovers the World, Disney-Hyperion, 2013
  • Rebel McKenzie, Hyperion Book CH, 2012
  • Fire in the Sky, Millbrook Press, 2011; Kindle edition, 2013
  • Hello, Washington, D.C., Sterling, 2011
  • George Washington and the Story of the U.S. Constitution, Millbrook Press, 2011
  • What Was the Continental Congress? And Other Questions About the Declaration of Independence, Lerner Publications, 2011
  • Why Did English Settlers Come to Virginia? And Other Questions About the Jamestown Settlement, Lerner Publications, 2011
  • The Rescue Adventure of Stenny Green, Hidenburg Crash Eyewitness, Graphic Universe, 2011
  • The Twelve Days of Christmas in Washington, D.C., Sterling, 2010
  • The Lifesaving Adventure of Sam Deal, Shipwreck Rescuer, Graphic Universe, 2010
  • Hello, Virginia! (Hello, America!), Sterling, 2010
  • Big Rigs on the Move, Lerner Publications, 2010
  • Who Wrote the U.S. Constitution? And Other Questions about the Constitutional Convention of 1787, Lerner Classroom, 2010
  • Scrapbooking Just for You!: How to Make Fun, Personal, Save-Them-Forever Keepsakes, Sterling, 2010
  • The Day of the Black Blizzard, Millbrook Press, 2009
  • Pony Island, Walker Books for Young Readers, 2009
  • The Old Blue Pickup Truck, Walker Books for Young Readers, 2009
  • The Night of the Hurricane’s Fury, Millbrook Press, 2009
  • Finding Day’s Bottom, Lerner Publishing Group, 2009
  • Maggie L. Walker: Pioneering Banker and Community Leader, Twenty-First Century Books, 2008
  • Seeing Sky-Blue Pink, Carolrhoda Books, 2007
  • Tractor Day, Walker Books for Young Readers, 2007
  • Time Spies Series, Mirrorstone Books, 2006-2008
  • Sam Collier and the Founding of Jamestown, Millbrook Press, 2006
  • Finding Day’s Bottom, Carolrhoda Books, 2006
  • Daniel Boone, Lerner Publications, 2006
  • Robert E. Lee, Lerner Publications, 2006
  • Willie McLean and the Civil War Surrender, Carolrhoda Books, 2004
  • John Hancock, Lerner Publications, 2004
  • Big Rigs, Lerner Publications, 2004
  • Liberty Street, Walker Books for Young Readers, 2003
  • Lewis and Clark, Lerner Publications, 2003
  • Clara Barton, Lerner Publications, 2003
  • Martha Washington, Carolrhoda Books, 2003
  • Rescue on the Outer Banks, Carolhoda Books/First Avenue Editions, 2002
  • George Washington, Lerner Publications, 2002
  • Maria Von Trapp: Beyond the Sound of Music, Carolrhoda Books/Lerner Publications, 2002
  • Danger at Sand Cave, Carolrhoda Books/First Avenue Editions, 2000
  • Mother Teresa, Carolrhoda Books, 2000
  • The Boxcar Children (written as Gertrude Chandler Warner), Albert Whitman/Scholastic, 1996-2001
  • The Promise Quilt, Walker Books for Young Readers, 1999
  • The Adventures of Benny and Watch (written as Gertrude Chandler Warner), Albert Whitman/Scholastic, 1998-1999
  • Children of the Civil War, Carolrhoda Books, 1998
  • Fire in the Sky, Carolrhoda Books, 1997
  • The Big Green Pocketbook, HarperCollins, 1993
  • Listening to Crickets, Carolrhoda Books/First Avenue Editions, 1993