- Osborne, Mary Pope, Magic tree house, #31
- Earthquake in the early morning, Mary Pope Osborne
- Time of the turtle king, by Mary Pope Osborne ; illustrated by AG Ford
- Camp time in California, by Mary Pope Osborne ; illustrated by AG Ford
- Danger in the darkest hour, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Penguins and Antarctica, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #2
- Late lunch with llamas, by Mary Pope Osborne ; illustrations by AG Ford
- Osborne, Mary Pope, Magic tree house series, #52
- Carnival at candlelight, by Mary Pope Osborne
- High tide in Hawaii, by Mary Pope Osborne ; illustrated by Sal Murdocca
- The knight at dawn, Mary Pope Osborne
- Osborne, Mary Pope, Magic tree house series, #18
- Eve of the Emperor penguin, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #53
- Osborne, Mary Pope, Magic tree house series, #44-45
- Good morning, gorillas, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house, #13
- Dolphins and sharks, a nonfiction companion to Magic tree house #9 : Dolphins at daybreak, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house (Sound recording), #24
- Sunset of the sabertooth, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Baseball, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Carlo Molinari
- Night of the Ninjas, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Christmas in Camelot, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #43
- Osborne, Mary Pope, Magic tree house series, #26
- Osborne, Mary Pope, Magic tree house (Imagination Studio (Firm)), bk. 29
- Osborne, Mary Pope, Magic tree house (Sound recording), #30
- Osborne, Mary Pope, Magic tree house series, #39
- Mummies in the morning, Mary Pope Osborne ; illustrated by Sal Murdocca
- Night of the ninth dragon, Mary Pope Osborne
- MAGIC TREE HOUSE, A STEPPING STONE BOOK 5, night of the ninjas graphic novel
- Osborne, Mary Pope, Magic tree house series, 33
- Osborne, Mary Pope, Magic tree house series, #44
- Eve of the Emperor penguin, by Mary Pope Osborne ; [illustrations by Sal Murdocca]
- Dinosaurs before dark, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #9
- Sunlight on the snow leopard, by Mary Pope Osborne ; illustrated by AG Ford
- Afternoon on the Amazon, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Magic tree house survival guide, Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Ninjas and samurai, a nonfiction companion to Magic tree house #5 : Night of the ninjas, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Abe Lincoln at Last!, Mary Pope Osborne
- Osborne, Mary Pope, Magic tree house series, #24
- Stallion by starlight, by Mary Pope Osborne
- Osborne, Mary Pope, Magic treehouse series: Merlin missions, bk. 3
- Osborne, Mary Pope, Magic tree house, #9
- Day of the Dragon King, Mary Pope Osborne
- Osborne, Mary Pope, Magic tree house series, #7
- Christmas in Camelot, Mary Pope Osborne ; illustrated by Antonio Javier Caparo
- Osborne, Mary Pope, Magic tree house series, #32