Kobie Roberts Series •
Almost Ten and a Half (1990) •
Going on Twelve (1988) •
Thirteen (1984) •
Fourteen and Holding (1987) •
Fifteen At Last (1990)
Time Spies Series •
Secret in the Tower (Time Spies #1) (2006) •
Bones in the Badlands (Time Spies #2) (2006) •
Giant in the Garden (Time Spies #3) (2007) •
Magician in the Trunk (Time Spies #4) (2007) •
Signals in the Sky (Time Spies #5) (2007) •
Rider in the Night: A tale of Sleepy Hollow (Time Spies #6) (2007) •
Horses in the Wind: A tale of Seabiscuit (Time Spies #7) (2007) •
Gold in the Hills: A tale of the Klondike Gold Rush (Time Spies #8) (2008) •
Message in the Mountain (Time Spies #9) (2008) •
Flames in the City: A Tale of the War of 1812 (Time Spies #10) (2008)
Tales From the Third Grade Series •
Who Needs Third Grade? (1993) •
Third Grade Stars (1993) •
Why Are Boys So Weird? (1994) •
Third Grade Detectives (1994)
YA Novels •
Amanda (1984) •
Susannah (1984) •
Nicole (1986) •
Emily (1985) •
Kathleen (1985) •
Sabrina (1986) •
So Young to Die: The Story of Hannah Senesh (1993) •
Maria von Trapp: Beyond The Sound of Music (2002) •
Rebel McKenzie (2012) •
Iva Honeysuckle Discovers the World (2012) •
My Sister, The Meanie (1998) •
Seeing Sky-Blue Pink (2007) • ''Key to the Griffon's Lair'' (2005) •
My Sister, The Creep (1989) •
Sixth-Grade High (1991) •
Between Two Worlds (1994) •
Iva Honeysuckle Meets Her Match, illustrated by Heather Ross (2013) •
The Silvery Past (1983) •
My Sister, the Traitor (1989) • ''Finding Day's Bottom'' (2006) •
Breaking the Rules (Chrystal Falls, #2) (1985) • ''There's One in Every Family'' (1990) •
Scrapbooking Just for You!: How to Make Fun, Personal, Save-Them-Forever Keepsakes (2010) •
Hocus Pocus After School (1996) •
Maggie L. Walker: Pioneering Banker and Community Leader (2008) • ''Cat's Cradle'' (1987) •
Today Fifth Grade, Tomorrow the World (1989) •
Terrier Trouble! (National Geographic Kids Chapters) (2017) •
Kaleidoscope(Crosswinds #12) (1987) •
The Spitball Class (1999) •
Blackbird Keep (1986) •
The Love Charm (1990) •
Funniest Sixth Grade Video Ever (1991) •
Ladies and Jellybeans (1991) •
More Than A Name (1995) •
Lady in the Harbor: A Tale of the Statue of Liberty, illustrated by Greg Call (2009) •
Spies in the Ocean: A Tale of World War II, illustrated by Greg Call (?) • ''Struggle in the Streets: A Tale of Women's Rights'' (2009)
Children's books •
Little Red Riding Hood, illustrated by Tammie Speer Lyon (2001) •
The Big Green Pocketbook, illustrated by
Felicia Bond (1993) •
Apple Picking Day!, illustrated by Erika Meza (2016) •
Amanda Panda Quits Kindergarten, illustrated by Christine Grove (2017) •
Pumpkin Day!, illustrated by Erika Meza (2015) •
Listening to Crickets: A Story about Rachel Carson, illustrated by Shelly O. Haas (1994) • ''Tooth Fairy's Night'', illustrated by Monique Dong (2017) •
Tractor Day, illustrated by Laura J. Bryant (2007) •
Goldilocks and the Three Bears, illustrated by Laura J. Bryant (2001) •
The Old Blue Pickup Truck, illustrated by Jenny Mattheson (2009) • ''Uni's First Sleepover'', illustrated by Brigette Barrager (2019) •
Amanda Panda and the Bigger, Better Birthday, illustrated by Christine Grove (2018) • ''Bones in the White House: Thomas Jefferson's Mammoth'', illustrated by Jamey Christoph (2020) •
The Promise Quilt, illustrated by Ellen Beier (1999) •
Snow Day!, illustrated by Erika Meza (2018) •
Garden Day!, illustrated by Erika Meza (2019) •
Pony Island, illustrated by Wade Zahares (2009) •
Liberty Street (2003) •
Rescue on the Outer Banks, illustrated by Karen Ritz (2002) •
The Christmas Dolls (1998) •
Who Wrote the U.S. Constitution?: And Other Questions about the Constitutional Convention of 1787 (2010) •
When the Whippoorwill Calls, illustrated by Kimberly Bulcken Root (1995) •
Clara Barton (2006) •
Children Of The Civil War (Picture The American Past) (1998) •
Hello, Virginia! (2010) •
Big Rigs on the Move (2010) •
Willie McLean and the Civil War Surrender (2004) •
The Twelve Days of Christmas in Washington, D.C., illustrated by Sarah Hollander (2010) •
Millicent the Magnificent (1989) •
One Christmas Dawn, illustrated by Peter M. Fiore (1994) •
Sam Collier and the Founding of Jamestown, illustrated by Matthew Archambault (2007) •
Martha Washington (2003) •
Fire in the Sky (1996) •
Danger at Sand Cave, illustrated by Den Schofield (2000) •
The Day of the Black Blizzard, illustrated by Laurie Harden (2009) •
Lewis and Clark, illustrated by Tim Parlin (2002) •
John Hancock (2004) •
Parts of a Flower(First Step Nonfiction: Pollination) (2015) •
Hello, Washington, D.C.! (2011) •
George Washington (2001) • ''The Night of the Hurricane's Fury'', illustrated by Paul Tong (2009) •
Daniel Boone (2005) •
Mother Teresa (2000) •
Robert E. Lee, illustrated by Tim Parlin (1990) •
I Like Shoes (2005) •
The Lifesaving Adventure of Sam Deal, Shipwreck Rescuer (2010) •
The Rescue Adventure of Stenny Green, Hindenburg Crash Eyewitness, illustrated by Ted Hammond (2010) • ''Teacher's Pest'' (1997) •
The Underground Adventure of Arly Dunbar, Cave Explorer, illustrated by Ted Hammond and Richard Carbajal (2011) •
Shooting Star Summer, illustrated by Karen Milone (1992) •
Tools and Treasures of Ancient China(What Can We Learn from Early Civilizations?) (2014) •
What Was the Continental Congress?: And Other Questions about the Declaration of Independence (2011) •
Baby Animal Rescues! (2019) •
Jimmy Crack Corn, illustrated by Shelly O. Haas (1993) •
Investigating the Water Cycle (2015) • ''What's Great about Indiana?'' (2015) •
Danger at Dolphin Point (1997) •
Beach Day!, illustrated by Erika Meza (2020) •
Bilingual Fairy Tales Goldilocks and the Three Bears: Ricitos de Oro y los tres osos (2019) •
Bilingual Fairy Tales Little Red Riding Hood: Caperucita Roja (2019) •
Endangered and Extinct Amphibians (2014) •
Why Did English Settlers Come to Virginia?: And Other Questions about the Jamestown Settlement (2010) •
How Aircraft Carriers Work (2019) •
Monster Trucks (2017) •
Jazz Dance (2017) •
Dance Team (2017) •
French Fries (Favorite Foods) (2018) •
The Bilingual Fairy Tales Three Billy Goats Gruff: Los Tres Chivitos (2019) • ''Let's Explore the Sense of Smell'' (2020) • ''We're Growing Together'' (1993) • ''Let's Explore the Five Senses'' (2020) •
George Washington and the Story of the U.S. Constitution, illustrated by Jenni Reeves (2011) • ''Let's Explore the Sense of Touch'' (2020) •
Chocolate Chip Cookies (Favorite Foods) (2018) •
Eerie Haunted Houses (2020) •
Keepsake Stories Little Red Riding Hood illustrated by Joshua Janes (2020) •
James Madison (Founding Fathers) (2018) •
Mysterious Loch Ness Monster (2020) •
Legendary Bigfoot (2020) •
How Fighter Jets Work (2019) • ''Pembroke Welsh Corgis (Who's a Good Dog?)'' (2019) •
Thomas Jefferson (Founding Fathers) (2018) • ''Stock Cars (Let's Ride)'' (2017) == Personal life ==