- World at war, 1944, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house, #38
- Summer of the sea serpent, Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #30
- Osborne, Mary Pope, Magic tree house series, #8
- My secret war, the World War II diary of Madeline Beck, Mary Pope Osborne
- Favorite Greek myths, retold by Mary Pope Osborne ; illustrated by Troy Howell
- Leprechauns and Irish folklore, a nonfiction companion to Leprechaun in late winter, Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- The rocking horse Christmas, by Mary Pope Osborne ; illustrated by Ned Bittinger
- Hurry up, Houdini!, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, 18
- Mummies in the morning, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #12
- Osborne, Mary Pope, Magic tree house, #3
- Magic tree house, Mary Pope Osborne, Books 29-32
- Afternoon on the Amazon, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Dinosaurs before dark, Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house
- Osborne, Mary Pope, Magic tree house series, 33
- Osborne, Mary Pope, Magic tree house series, #2
- A ghost tale for Christmas time, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Tigers at twilight, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Kate and the beanstalk, by Mary Pope Osborne ; illustrated by Giselle Potter
- Osborne, Mary Pope, Magic tree house, #29-32
- Earthquake in the early morning, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #10
- Osborne, Mary Pope, Magic tree house series, #40
- Osborne, Mary Pope, Magic tree house series, #19
- New York's bravest, by Mary Pope Osborne ; paintings by Steve Johnson and Lou Fancher
- Revolutionary War on Wednesday, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Dog heroes, a nonfiction companion to Magic tree house #46: Dogs in the dead of night, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Late lunch with llamas, by Mary Pope Osborne ; illustrated by AG Ford
- Osborne, Mary Pope, Magic tree house series, #38
- Dingoes at dinnertime, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #46
- Dark day in the deep sea, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Twister on Tuesday, by Mary Pope Osborne ; illustrated by Sal Murdocca
- The mysteries of Spider Kane, Mary Pope Osborne
- Osborne, Mary Pope, Magic tree house series, #35
- Tonight on the Titanic, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series
- Midnight on the moon, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Vacation under the volcano, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #9
- Dogs in the dead of night, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #25
- Season of the sandstorms, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Christmas in Camelot, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Blizzard of the blue moon, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house, #39