- Vacation under the volcano, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house, #13
- Osborne, Mary Pope, Magic tree house series, #9
- Ghost town at sundown, Mary Pope Osborne
- Hurricane heroes in Texas, by Mary Pope Osborne ; illustrated by AG Ford
- 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
- Summer of the sea serpent, Mary Pope Osborne
- Night of the Ninjas, by Mary Pope Osborne ; illustrated by Sal Murdocca
- A good night for ghosts, Mary Pope Osborne ; illustrated by Sal Murdocca
- Narwhal on a Sunny Night, Mary Pope Osborne
- Day of the Dragon King, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Civil War on Sunday, [Mary Pope Osborne ; illustrated by Sal Murdocca]
- Osborne, Mary Pope, Magic tree house series, #17
- Shadow of the shark, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #22
- Twister on Tuesday, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Midnight on the moon, 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]
- Osborne, Mary Pope, Magic tree house series, #34
- Osborne, Mary Pope, Magic tree house series, #41
- Osborne, Mary Pope, Magic tree house series, #25
- Afternoon on the Amazon, Mary Pope Osborne
- 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
- Osborne, Mary Pope, Magic tree house series, #11
- Osborne, Mary Pope, Magic tree house series, #3
- Carnival at candlelight, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #7
- Osborne, Mary Pope, Magic tree house series, #24
- Osborne, Mary Pope, Magic tree house series, #1
- Buffalo before breakfast, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #32
- Ghost town at sundown, by Mary Pope Osborne ; illustrated by Sal Murdocca
- The knight at dawn, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #20
- Hour of the Olympics, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house (Sound recording), #32
- Stage fright on a summer night, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house (Imagination Studio (Firm)), 54
- To the future, Ben Franklin!, by Mary Pope Osborne ; illustrated by AG Ford
- Narwhal on a sunny night, by Mary Pope Osborne ; illustrated by AG Ford