- Narwhals and other whales, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Isidre Monés
- Warriors in winter, by Mary Pope Osborne ; illustrated by AG Ford
- Happy birthday, America, Mary Pope Osborne ; illustrated by Peter Catalanotto
- Christmas in Camelot, 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
- Magic tree house. Books 30-32, Mary Pope Osborne
- Viking ships at sunrise, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Magic tree house, Mary Pope Osborne, Books 29 & 30
- High time for heroes, Mary Pope Osborne ; cover art and interior illustrations, Sal Murdocca
- Osborne, Mary Pope, Magic tree house, 26
- Osborne, Mary Pope, Magic tree house series, #37
- Night of the Ninjas, the graphic novel, adapted by Jenny Laird ; with art by Kelly & Nicole Matthews
- Horse heroes, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Polar bears past bedtime, 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
- Osborne, Mary Pope, Magic tree house series, #06
- Night of the ninth dragon, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Benjamin Franklin, to the future, Ben Franklin!, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Isidre Monés
- A ghost tale for Christmas time, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #08
- Osborne, Mary Pope, Magic tree house series, #36
- Magic tree house, Mary Pope Osborne, Book 52-53
- Magic tree house, Mary Pope Osborne, Books 25-29
- Osborne, Mary Pope, Magic tree house series, 18
- Ancient Greece and the Olympics, a nonfiction companion to Hour of the Olympics, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #02
- Magic tree house, Mary Pope Osborne, Books 31 & 32
- Dolphins at daybreak, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Pompeii, lost & found, by Mary Pope Osborne ; frescoes by Bonnie Christensen
- Dinosaurs before dark, Mary Pope Osborne ; illustrated by Sal Murdocca
- A big day for baseball, by Mary Pope Osborne ; jacket illustration by Sal Murdocca ; interior illustrations by Ag Ford
- Soccer, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Twister on Tuesday, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Buffalo before breakfast, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #19
- Osborne, Mary Pope, Magic tree house series, #10
- World War II, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Carlo Molinari
- Magic tree house collection #2, 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
- Earthquake in the early morning, by Mary Pope Osborne ; illustrated by Sal Murdocca
- The knight at dawn, the graphic novel, adapted by Jenny Laird ; with art by Kelly & Nichole Williams
- Tigers at twilight, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house series, #26
- Pirates past noon, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Osborne, Mary Pope, Magic tree house, #46
- Osborne, Mary Pope, Magic tree house
- Osborne, Mary Pope, Magic tree house series, #39
- Magic tree house., Mary Pope Osborne, Book 36 & 37
- The one-eyed giant, by Mary Pope Osborne ; with art work by Troy Howell