- Dinosaurs before dark, Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #18
- 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 ;, A crazy day with cobras, by Mary Pope Osborne
- Hurry up, Houdini!, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Texas, a nonfiction companion to Magic Tree House #30: Hurricane heroes in Texas, Mary Pope Osborne, Natalie Pope Boyce ; illustrated by Isidre Mones
- 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
- Polar bears past bedtime, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Favorite Greek myths, retold by Mary Pope Osborne ; illustrated by Troy Howell
- Osborne, Mary Pope, Magic tree house series, #51
- Osborne, Mary Pope, Magic tree house series, #8
- 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
- Camp time in California, Mary Pope Osborne; illustrated by AG Ford
- Afternoon on the Amazon, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Magic tree house collection, [Mary Pope Osborne], Volume 8
- Dolphins at daybreak, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Stallion by starlight, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Ancient Rome and Pompeii, a nonfiction companion to Vacation under the volcano, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, 31
- Osborne, Mary Pope, Magic tree house series, bks. 50-51
- High tide in Hawaii, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #10
- World War II, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Carlo Molinari
- Osborne, Mary Pope, Magic tree house series, #19
- 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
- Wild West, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Isidre Monés
- 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
- Osborne, Mary Pope, Magic tree house series, 37
- Late lunch with llamas, by Mary Pope Osborne ; illustrated by AG Ford
- Good morning, gorillas, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #38
- A perfect time for pandas, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Dingoes at dinnertime, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house, #47
- Osborne, Mary Pope, Magic tree house series, 29
- Osborne, Mary Pope, Magic tree house, #37
- Snow leopards and other wild cats, by Mary Pope Osborne and Jenny Laird ; illustrated by Isidre Monés
- Lions at lunchtime, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house (Imagination Studio (Firm))
- Monday with a mad genius, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #6