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Mary Pope Osborne is an American author of children’s books. She is best known for the award-winning and bestselling Magic Tree House series, which has been translated into more than 30 languages. Growing up in a military family, Osborne traveled a lot and continued to do so as an adult, which influences her writing. The first of the Magic Tree House books, Dinosaurs Before Dark, introduces adventuring siblings Jack and Annie. Osborne has also written several books for children relating to mythology, historical fiction and fact, and more.

Bestsellers

Dinosaurs Before Dark (Magic Tree House Series #1)
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Dinosaurs Before Dark (Magic Tree House Series #1)
by Mary Pope Osborne, Sal Murdocca (Illustrator)
A Big Day for Baseball (Magic Tree House Series #29)
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A Big Day for Baseball (Magic Tree House Series #29)
by Mary Pope Osborne, AG Ford (Illustrator)
The Knight at Dawn (Magic Tree House Series #2)
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The Knight at Dawn (Magic Tree House Series #2)
by Mary Pope Osborne, Sal Murdocca (Illustrator)
Afternoon on the Amazon Graphic Novel
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Afternoon on the Amazon Graphic Novel
by Mary Pope Osborne, Jenny Laird (Adapted by), Kelly Matthews (Illustrator), Nichole Matthews (Illustrator)
Mummies in the Morning (Magic Tree House Series #3)
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Mummies in the Morning (Magic Tree House Series #3)
by Mary Pope Osborne, Sal Murdocca (Illustrator)
Rhinos at Recess
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Rhinos at Recess
by Mary Pope Osborne, AG Ford (Illustrator)
Night of the Ninjas Graphic Novel
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Night of the Ninjas Graphic Novel
by Mary Pope Osborne, Jenny Laird (Adapted by), Kelly Matthews (Illustrator), Nichole Matthews (Illustrator)
To the Future, Ben Franklin! (Magic Tree House Series #32)
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To the Future, Ben Franklin! (Magic Tree House Series #32)
by Mary Pope Osborne, AG Ford (Illustrator)
Dinosaurs Before Dark Graphic Novel (Magic Tree House Graphic Novel Series #1)
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Dinosaurs Before Dark Graphic Novel (Magic Tree House Graphic Novel Series #1)
by Mary Pope Osborne, Jenny Laird (Adapted by), Kelly Matthews (Illustrator), Nichole Matthews (Illustrator)
Tonight on the Titanic (Magic Tree House Series #17)
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Tonight on the Titanic (Magic Tree House Series #17)
by Mary Pope Osborne, Sal Murdocca (Illustrator)
Revolutionary War on Wednesday (Magic Tree House Series #22)
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Revolutionary War on Wednesday (Magic Tree House Series #22)
by Mary Pope Osborne, Sal Murdocca (Illustrator)
Night of the Ninjas (Magic Tree House Series #5)
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Night of the Ninjas (Magic Tree House Series #5)
by Mary Pope Osborne, Sal Murdocca (Illustrator)
Narwhal on a Sunny Night (Magic Tree House Series #33)
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Narwhal on a Sunny Night (Magic Tree House Series #33)
by Mary Pope Osborne, AG Ford (Illustrator)
Sunset of the Sabertooth Graphic Novel Pre-Order Now
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Sunset of the Sabertooth Graphic Novel
by Mary Pope Osborne, Jenny Laird (Adapted by), Kelly Matthews (Illustrator), Nichole Matthews (Illustrator)
Civil War on Sunday (Magic Tree House Series #21)
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Civil War on Sunday (Magic Tree House Series #21)
by Mary Pope Osborne, Sal Murdocca (Illustrator)

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Magic Tree House: Books 3 and 4: Mummies in the Morning, Pirates Past Noon
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Magic Tree House: Books 3 and…
by Mary Pope Osborne
Narrated by  Mary Pope Osborne
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Magic Tree House: Books 5 and 6: Night of the Ninjas, Afternoon on the Amazon
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Magic Tree House: Books 5 and…
by Mary Pope Osborne
Narrated by  Mary Pope Osborne
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Magic Tree House: Books 5 and 6: Night of the Ninjas, Afternoon on the Amazon
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Magic Tree House: Books 5 and…
by Mary Pope Osborne
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Magic Tree House: Books 3 and 4: Mummies in the Morning, Pirates Past Noon
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Magic Tree House: Books 3 and…
by Mary Pope Osborne
Narrated by  Mary Pope Osborne
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Magic Tree House: Books 1 and 2: Dinosaurs Before Dark, The Knight at Dawn
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Magic Tree House: Books 1 and…
by Mary Pope Osborne
Narrated by  Mary Pope Osborne
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Magic Tree House: Books 1 and 2: Dinosaurs Before Dark, The Knight at Dawn
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Magic Tree House: Books 1 and…
by Mary Pope Osborne
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Magic Tree House: Books 7 and 8: Sunset of the Sabertooth, Midnight on the Moon
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Magic Tree House: Books 7 and…
by Mary Pope Osborne
Narrated by  Mary Pope Osborne
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Magic Tree House: Books 7 and 8: Sunset of the Sabertooth, Midnight on the Moon
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Magic Tree House: Books 7 and…
by Mary Pope Osborne
Narrated by  Mary Pope Osborne
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Title: Una momia al amanecer (Mummies in the Morning), Author: Mary Pope Osborne
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Una momia al amanecer (Mummies…
by Mary Pope Osborne, Marcela Brovelli (Translator), Salvatore Murdocca (Illustrator)
#3 in Series
Paperback $8.99
Title: Piratas despues del mediodia (Pirates Past Noon: Magic Tree House Series #4), Author: Mary Pope Osborne
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Piratas despues del mediodia…
by Mary Pope Osborne, Marcela Brovelli (Translator), Salvatore Murdocca (Illustrator)
#4 in Series
Paperback $8.99
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Magic Tree House: Books 11 and 12: Lions at Lunchtime, Polar Bears Past Bedtime
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Magic Tree House: Books 11 and…
by Mary Pope Osborne
Narrated by  Mary Pope Osborne
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Magic Tree House: Books 9 and 10: Dolphins at Daybreak, Ghost Town at Sundown
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Magic Tree House: Books 9 and…
by Mary Pope Osborne
Narrated by  Mary Pope Osborne
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Magic Tree House: Books 9 and 10: Dolphins at Daybreak, Ghost Town at Sundown
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Magic Tree House: Books 9 and…
by Mary Pope Osborne
Narrated by  Mary Pope Osborne
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Magic Tree House: Books 11 and 12: Lions at Lunchtime, Polar Bears Past Bedtime
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Magic Tree House: Books 11 and…
by Mary Pope Osborne
Narrated by  Mary Pope Osborne
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Title: Magic Tree House Fact Tracker #10: Ancient Greece and the Olympics: A Nonfiction Companion to Magic Tree House #16: Hour of the Olympics, Author: Mary Pope Osborne
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Magic Tree House Fact Tracker …
by Mary Pope Osborne, Natalie Pope Boyce, Sal Murdocca (Illustrator)
#10 in Series
Paperback $6.99
Title: La noche de las ninjas (Night of the Ninjas: Magic Tree House Series #5), Author: Mary Pope Osborne
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La noche de las ninjas (Night…
by Mary Pope Osborne
#5 in Series
Paperback $8.99
Title: Una tarde en el Amazonas (Afternoon on the Amazon), Author: Mary Pope Osborne
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Una tarde en el Amazonas…
by Mary Pope Osborne, Marcela Brovelli (Translator), Sal Murdocca (Illustrator)
#6 in Series
Paperback $8.99
Title: Medianoche en la Luna (Midnight on the Moon), Author: Mary Pope Osborne
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Medianoche en la Luna…
by Mary Pope Osborne, Marcela Brovelli (Translator), Sal Murdocca (Illustrator)
#8 in Series
Paperback $8.99
Title: Un tigre dientes de sable en el ocaso (Sunset of the Sabertooth), Author: Mary Pope Osborne
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Un tigre dientes de sable en…
by Mary Pope Osborne, Sal Murdocca (Illustrator)
#7 in Series
Paperback $8.99
Title: Magic Tree House Fact Tracker #11: American Revolution: A Nonfiction Companion to Magic Tree House #22: Revolutionary War on Wednesday, Author: Mary Pope Osborne
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Magic Tree House Fact Tracker …
by Mary Pope Osborne, Natalie Pope Boyce, Sal Murdocca (Illustrator)
#11 in Series
Paperback $6.99

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