- Osborne, Mary Pope, Magic Tree House series, #25-28
- Osborne, Mary Pope, Magic tree house series, #8
- Viking ships at sunrise, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Baseball, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Carlo Molinari
- Osborne, Mary Pope, Magic tree house series, bk. 13
- Polar bears and the Arctic, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Lions at lunchtime, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Civil War on Sunday, Mary Pope Osborne
- Hurricane heroes in Texas, by Mary Pope Osborne
- American revolution, a nonfiction companion to Revolutionary War on Wednesday, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Polar bears past bedtime, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Narwhal on a sunny night, by Mary Pope Osborne ; illustrated by AG Ford
- A perfect time for pandas, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Mummies in the morning, Mary Pope Osborne
- Camp time in California, by Mary Pope Osborne ; illustrated by AG Ford
- Osborne, Mary Pope, Magic tree house series, #37
- Osborne, Mary Pope, Magic tree house, #7
- Hurricane heroes in Texas, Mary Pope Osborne
- Stage fright on a summer night, Mary Pope Osborne
- Penguins and Antarctica, a nonfiction companion to Eve of the emperor penguins, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, 35
- To the Future, Ben Franklin!, Mary Pope Osborne
- Abe Lincoln at last!, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Magic tree house, Mary Pope Osborne, Books 29-32
- Horse heroes, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Abe Lincoln at last!, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Polar bears past bedtime, Mary Pope Osborne
- Hour of the Olympics, Mary Pope Osborne
- Osborne, Mary Pope, Magic tree house series, #1-4
- Monday with a mad genius, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, bk. 38
- A ghost tale for Christmas time, A crazy day with cobras, by Mary Pope Osborne
- Osborne, Mary Pope, Magic tree house series, #50
- Osborne, Mary Pope, Magic tree house, #48
- Hour of the Olympics, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Thanksgiving on Thursday, by Mary Pope Osborne ; illustrated by Sal Murdocca
- To the future, Ben Franklin!, by Mary Pope Osborne ; illustrated by AG Ford
- Osborne, Mary Pope, Magic tree house series, #51
- Osborne, Mary Pope, Magic tree house (Sound recording), #29
- Osborne, Mary Pope, Magic tree house series, #30
- Dogsledding and extreme sports, a nonfiction companion to Magic tree house #54, Balto of the Blue Dawn, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Carlo Molinari
- Osborne, Mary Pope, Magic tree house series, #36
- A good night for ghosts, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Balto of the blue dawn, Mary Pope Osborne
- Pirates past noon, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Magic tree house, Mary Pope Osborne, 53
- Osborne, Mary Pope, Magic tree house series, #12
- Soccer on Sunday, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Revolutionary War on Wednesday, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Dinosaurs before dark, Mary Pope Osborne