- Osborne, Mary Pope, Magic tree house series, 29
- Magic Tree House survival guide, Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house, #37
- Lions at lunchtime, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Magic tree house collection, Mary Pope Osborne, Books 1-8
- Osborne, Mary Pope, Magic tree house, #29-32
- 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
- Leonardo da Vinci, a nonfiction companion to Monday with a mad genius, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Midnight on the moon, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Vacation under the volcano, by Mary Pope Osborne ; 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
- Osborne, Mary Pope, Magic tree house series, #9
- Osborne, Mary Pope, Magic tree house, #17-#24
- Hurricane heroes in Texas, by Mary Pope Osborne ; illustrated by AG Ford
- Heroes for all times, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Twister on Tuesday, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Magic tree house collection #2, Mary Pope Osborne
- Late lunch with llamas, by Mary Pope Osborne
- Osborne, Mary Pope, Magic tree house series, #35
- Tonight on the Titanic, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Eve of the Emperor penguin, by Mary Pope Osborne ; [illustrations by Sal Murdocca]
- Tales from the Odyssey, by Mary Pope Osborne, Part 1
- Magic tree house, Mary Pope Osborne, Books 48-49
- Narwhal on a sunny night, by Mary Pope Osborne
- 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
- Sea monsters, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Soccer on Sunday, by Mary Pope Osborne ; illustrated by Sal Murdocca
- A crazy day with cobras, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Merlin missions collection, Mary Pope Osborne, Books 17-24
- 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
- Night of the ninth dragon, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Moonlight on the magic flute, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #14
- Earthquake in the early morning, by Mary Pope Osborne ; illustrated by Sal Murdocca
- World War II, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Carlo Molinari
- 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, #10
- Merlin missions collection, Mary Pope Osborne, Books 9-16
- Osborne, Mary Pope, Magic tree house series, #19
- Osborne, Mary Pope, Magic tree house (Imagination Studio (Firm)), #29
- Civil War on Sunday, [Mary Pope Osborne ; illustrated by Sal Murdocca]
- Osborne, Mary Pope, Magic tree house series, #17
- Magic tree house collection, Mary Pope Osborne
- Osborne, Mary Pope, Magic tree house series, #4
- Shadow of the shark, by Mary Pope Osborne ; illustrated by Sal Murdocca