Mary Pope Osborne

Tonight on the Titanic

By Osborne, Mary Pope, Murdocca, Sal, Mary Pope Osborne, Sal Murdocca

Rags and Riches: Kids in the Time of Charles Dickens: A Nonfiction Companion to Magic Tree House Merlin Mission #16: A Ghost Tale for Christmas Time

By Mary Pope Osborne, Natalie Pope Boyce, Sal Murdocca

Dark Day in the Deep Sea

By Mary Pope Osborne, Sal Murdocca

Pirates Past Noon

By Mary Pope Osborne

Titanic: A Nonfiction Companion to Magic Tree House #17: Tonight on the Titanic

By Mary Pope Osborne, Will Osborne, Sal Murdocca

Mummies and Pyramids: A Nonfiction Companion to Magic Tree House #3: Mummies in the Morning (Magic Tree House Fact Tracker)

By Mary Pope Osborne, Will Osborne, Sal Murdocca, Osborne, Mary Pope, Will, Murdocca, Sal

Buffalo Before Breakfast

By Mary Pope Osborne, Sal Murdocca

Eve of the Emperor Penguin

By Mary Pope Osborne, Sal Murdocca

Dragon of the Red Dawn

By Mary Pope Osborne, Sal Murdocca

Civil War on Sunday

By Mary Pope Osborne, Sal Murdocca

Ghost Town at Sundown

By Mary Pope Osborne

La Cabane Magique: Danger sur la banquise

By Mary Pope Osborne

Au Secours Des Kangourous

By Mary Pope Osborne, Philippe Masson

Afternoon on the Amazon

By Mary Pope Osborne, Sal Murdocca

Magic Tree House Books 13-16 Boxed Set

By Mary Pope Osborne, Sal Murdocca

Haunted Castle on Hallows Eve: A Fall Halloween Book for Kids

By Mary Pope Osborne, Sal Murdocca

Abe Lincoln at Last!

By Mary Pope Osborne, Sal Murdocca

Day of the Dragon King

By Mary Pope Osborne, Sal Murdocca

Vacation Under the Volcano

By Mary Pope Osborne, Sal Murdocca

Winter of the Ice Wizard

By Mary Pope Osborne, Sal Murdocca

Magic Tree House Books 1-4 Boxed Set

By Mary Pope Osborne

Pompeii: Lost and Found

By Mary Pope Osborne, Bonnie Christensen

A Big Day for Baseball

By Mary Pope Osborne, AG Ford

Midnight on the Moon

By Mary Pope Osborne

Twister on Tuesday

By Mary Pope Osborne

Good Morning, Gorillas

By Mary Pope Osborne

Day of the Dragon King

By Mary Pope Osborne

Pirates Past Noon

By Mary Pope Osborne

Dolphins at Daybreak (The Magic Tree House) Edition: reprint

By Mary Pope Osborne

Night of the Ninjas

By Mary Pope Osborne