- Dragon of the red dawn, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Magic tree house, Mary Pope Osborne, Books 1-8
- Thanksgiving ;, Thanksgiving on Thursday ; Pilgrims : a nonfiction companion to Thanksgiving on Thursday, Mary Pope Osborne ; Natalie Pope Boyce
- Summer of the sea serpent, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Midnight on the moon, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Magic tree house, Mary Pope Osborne, Books 46 &47
- Magic tree house, Mary Pope Osborne, Books 48 & 49
- Moonlight on the magic flute, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Polar bears past bedtime, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Magic tree house, Mary Pope Osborne, Books 25-29
- Magic tree house, Mary Pope Osborne, Books 9-12
- Tigers at twilight, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Magic tree house, Mary Pope Osborne, Books 50 & 51
- Magic tree house, Mary Pope Osborne, Books 40 & 41
- A crazy day with cobras, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Season of the sandstorms, by 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
- Magic tree house survival guide, Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca
- Magic tree house, Mary Pope Osborne, Books 17-24
- High tide in Hawaii, by Mary Pope Osborne ; illustrated by Sal Murdocca
- A ghost tale for Christmas time, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Viking ships at sunrise, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Winter of the ice wizard, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Pirates past noon, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Christmas in Camelot, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Dinosaurs before dark, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Late lunch with llamas, by Mary Pope Osborne ; illustrated by AG Ford
- Hour of the Olympics, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Magic tree house, Mary Pope Osborne, Books 5-8
- Carnival at candlelight, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Pirates :, Pirates past noon ; Pirates : a nonfiction companion to Pirates past noon, by Mary Pope Osborne ; illustrated by Sal Murdocca ; Will Osborne
- Dark day in the deep sea, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Hurry up, Houdini!, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Tonight on the Titanic, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Civil War on Sunday, [Mary Pope Osborne ; illustrated by Sal Murdocca]
- Penguins :, Eve of the Emperor penguin ; Penguins and Antarctica : a nonfiction companion to Eve of the Emperor penguins, Sal Murdocca
- Ninjas :, Night of the Ninjas ; Ninjas and samurai : a nonfiction companion to Night of the Ninjas, by Mary Pope Osborne ; illustrated by Sal Murdocca ; Will Osborne
- Dinosaurs :, Dinosaurs before dark ; Dinosaurs : a nonfiction companion to Dinosaurs before dark, Mary Pope Osborne ; Will Osborne ; Sal Murdocca
- Stallion by starlight, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Horses :, Stallion by starlight ; Horse heroes, by Mary Pope Osborne and Natalie Pope Boyce
- 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
- Magic tree house, Mary Pope Osborne, Books 9-16
- Mummies :, Mummies in the morning ; Mummies and pyramids : a nonfiction companion to Mummies in the morning, by Mary Pope Osborne ; illustrated by Sal Murdocca ; Will Osborne
- Earthquake in the early morning, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Magic tree house, Mary Pope Osborne, Books 52-53
- Balto of the blue dawn, Mary Pope Osborne
- Night of the Ninjas, by Mary Pope Osborne ; illustrated by Sal Murdocca
- Soccer :, Soccer on Sunday ; Soccer : a nonfiction companion to Soccer on Sunday, Mary Pope Osborne ; Natalie Pope Boyce
- Ghost town at sundown, by Mary Pope Osborne ; illustrated by Sal Murdocca