- 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
- Mummies and pyramids, a nonfiction companion to Mummies in the morning, by Will Osborne and Mary Pope Osborne ; illustrated by Sal Murdocca
- American revolution, a nonfiction companion to Revolutionary War on Wednesday, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- The knight at dawn, the graphic novel, adapted by Jenny Laird ; with art by Kelly & Nichole Williams
- Magic tree house., Mary Pope Osborne, Book 36 & 37
- Pirates, by Will Osborne and Mary Pope Osborne ; illustrated by Sal Murdocca
- Leprechauns and Irish folklore, a nonfiction companion to Leprechaun in late winter, Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Space, by Will Osborne and Mary Pope Osborne ; illustrated by Sal Murdocca
- Hurry up, Houdini!, High time for heroes, Mary Pope Osborne
- Pirates past noon, the graphic novel, adapted by Jenny Laird ; with art by Kelly and Nichole Matthews
- Dinosaurs before dark, Mary Pope Osborne ; adapted by Jenny Laird ; with art by Kelly & Nichole Matthews
- Titanic, by Will Osborne and Mary Pope Osborne ; illustrated by Sal Murdocca
- Pilgrims, a nonfiction companion to Thanksgiving on Thursday, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Magic tree house, by Mary Pope Osborne, Books 40 & 41
- 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
- Rain forests, a nonfiction companion to Afternoon on the Amazon, by Will Osborne and Mary Pope Osborne ; illustrated by Sal Murdocca
- Mummies in the morning, the graphic novel, adapted by Jenny Laird ; with art by Kelly & Nichole Matthews
- Ancient Rome and Pompeii, a nonfiction companion to Vacation under the volcano, by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Twisters and other terrible storms, a nonfiction companion to Twister on Tuesday, by Will Osborne and Mary Pope Osborne ; illustrated by Sal Murdocca