- Favorite Greek myths, retold by Mary Pope Osborne ; illustrated by Troy Howell
- High time for heroes, Mary Pope Osborne ; illustrated by Sal Murdocca
- Shadow of the shark, Mary Pope Osborne
- Osborne, Mary Pope, Magic tree house, #35
- Osborne, Mary Pope, Magic tree house, 1
- Osborne, Mary Pope, Merlin missions series, #24
- Moonlight on the magic flute, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house, #33-35
- To the future, Ben Franklin!, Mary Pope Osborne
- Dolphins and sharks, a nonfiction companion to Dolphins at daybreak, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series (Random House Audio Publishing), #44
- Good morning, gorillas, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Benjamin Franklin, a nonfiction companion to Magic Tree House #32 : To the future, Ben Franklin!, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Isidre MoneĢs
- Osborne, Mary Pope, Merlin Missions(Imagination Studio (Firm)), [1]
- Osborne, Mary Pope, Magic tree house series, #10
- Osborne, Mary Pope, Magic tree house series, #40
- Vacation under the volcano, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #19
- Osborne, Mary Pope, Magic tree house (Imagination Studio (Firm)), #29
- A perfect time for pandas, Mary Pope Osborne
- Osborne, Mary Pope, Merlin missions, #10
- 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
- Osborne, Mary Pope, Magic tree house series, 18
- Magic tree house., Mary Pope Osborne
- Soccer, Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Merlin missions, 8-9
- Osborne, Mary Pope, Magic tree house (Imagination Studio (Firm)), #45
- Warriors in winter, by Mary Pope Osborne
- Tonight on the Titanic, by Mary Pope Osborne ; illustrated by Sal Murdocca
- New York's bravest, by Mary Pope Osborne ; paintings by Steve Johnson and Lou Fancher
- Magic tree house, Mary Pope Osborne, #49-52
- Osborne, Mary Pope, Magic tree house series, #38
- Osborne, Mary Pope, Merlin missions series, 20
- Thanksgiving on Thursday, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Merlin missions series, 12
- Rhinos at recess, by Mary Pope Osborne ; illustrated by AG Ford
- Osborne, Mary Pope, Magic tree house series, #37
- Osborne, Mary Pope, Magic tree house series, #30
- Osborne, Mary Pope, Magic tree house, #25
- Osborne, Mary Pope, Magic tree house series, #38-39
- Osborne, Mary Pope, Magic tree house series, #8
- The knight at dawn, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house, #29
- Magic tree house., by Mary Pope Osborne
- Night of the Ninjas, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Sabertooths and the ice age, a nonfiction companion to Sunset of the sabertooth, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Tsunamis and other natural disasters, a nonfiction companion to High tide in Hawaii, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Merlin mission, #2-4
- Osborne, Mary Pope, Merlin missions, #10-11