- Vacation under the volcano, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Magic tree house survival guide, Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #19
- Osborne, Mary Pope, Magic tree house (Imagination Studio (Firm)), #29
- Osborne, Mary Pope, Merlin missions, #10
- Summer of the sea serpent, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Merlin missions series, 7
- Osborne, Mary Pope, Magic tree house series, #9
- High time for heroes, Mary Pope Osborne ; illustrated by Sal Murdocca
- Hurry up, houdini!, Mary Pope Osborne ; illustrated by Sal Murdocca
- Midnight on the moon, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Return to Ithaca, by Mary Pope Osborne ; with artwork by Troy Howell
- Kate and the beanstalk, written by Mary Pope Osborne ; illustrated by Giselle Potter
- Osborne, Mary Pope, Magic tree house series, 38
- Camp time in California, by Mary Pope Osborne ; illustrated by AG Ford
- Osborne, Mary Pope, Merlin missions series, 27
- Osborne, Mary Pope, Merlin missions series, 3
- Ancient Rome and Pompeii, a nonfiction companion to Vacation under the volcano, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Narwhal on a Sunny Night, Mary Pope Osborne
- Osborne, Mary Pope, Magic tree house (Imagination Studio (Firm)), #41
- The final battle, Mary Pope Osborne
- Ghosts, a nonfiction companion to a good night for ghosts, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Night of the Ninjas, #5, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Haunted castle on Hallows Eve, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Sunlight on the snow leopard, Mary Pope Osborne
- Osborne, Mary Pope, Merlin missions series, #23
- 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
- Osborne, Mary Pope, Magic tree house (Sound recording), #30
- Osborne, Mary Pope, Merlin missions series, 8
- Osborne, Mary Pope, Magic tree house series, #26
- Osborne, Mary Pope, Magic tree house series, #39
- Stallion by starlight, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Eve of the Emperor penguin, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Merlin missions series, 5
- Mummies in the morning, Mary Pope Osborne
- Late lunch with llamas, Mary Pope Osborne
- Dingoes at dinnertime, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #11
- Osborne, Mary Pope, Magic tree house series, #7
- Osborne, Mary Pope, Magic tree house series, #3
- Osborne, Mary Pope, Magic tree house series, #24
- Osborne, Mary Pope, Magic tree house series, #49
- Osborne, Mary Pope, Magic tree house series, #1
- Osborne, Mary Pope, Magic tree house series, #32
- Dark day in the deep sea, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Favorite medieval tales, retold by Mary Pope Osborne ; illustrated by Troy Howell
- Osborne, Mary Pope, Magic tree house series, #23
- Magic tree house collection, Mary Pope Osborne
- Narwhal on a sunny night, by Mary Pope Osborne ; illustrated by AG Ford
- Osborne, Mary Pope, Magic tree house series, #45