Book 1

Christmas in Camelot

by Mary Pope Osborne, Salvatore Murdocca
August 25th, 2009
English
Paperback

Book 2

Haunted Castle on Hallows Eve

by Mary Pope Osborne, Sal Murdocca
August 26th, 2003
English
Hardcover

Book 3

Summer of the Sea Serpent

by Mary Pope Osborne
January 1st, 2011
English
Paperback

Book 4

Winter of the Ice Wizard

by Mary Pope Osborne, Sal Murdocca
September 28th, 2004
English
Hardcover
Edition: First Edition

Book 5

March 4th, 2016
French
Kindle
January 1st, 2006
English
Paperback

Book 6

飛毯奇遇記

by Mary Pope Osborne, Salvatore Murdocca
January 1st, 2008
Chinese
Paperback

Der gestohlene Wüstenschatz

by Mary Pope Osborne, Petra Theissen, Sabine Rahn
January 1st, 2007
German
Hardcover

Book 7

Night of the New Magicians

by Mary Pope Osborne, Sal Murdocca
March 14th, 2006
English
Hardcover
Edition: First Edition

Book 8

Blizzard of the Blue Moon

by Mary Pope Osborne
September 26th, 2006
English
Hardcover
Edition: 1
January 1st, 2014
English
Paperback
December 5th, 2016
Spanish
Paperback

Book 9

Dragon of the Red Dawn

by Mary Pope Osborne, Salvatore Murdocca
February 27th, 2007
English
Paperback

Book 10

Monday with a Mad Genius

by Mary Pope Osborne, Sal Murdocca
August 28th, 2007
English
Hardcover

Book 11

Dia Negro En El Fondo del Mar (Magic Tree House)

by Mary Pope Osborne, Salvatore Murdocca, Marcela Brovelli
May 1st, 2018
Spanish
Paperback

Dark Day in the Deep Sea

by Mary Pope Osborne, Sal Murdocca
March 20th, 2009
English
Hardcover

Book 12

Eve of the Emperor Penguin

by Mary Pope Osborne
January 1st, 2008
English
Kindle
Edition: Reprint
June 19th, 2009
Japanese
Paperback

Book 13

June 21st, 2010
French
Paperback

Moonlight on the Magic Flute Merlin Mission

by Mary Pope Osborne, Salvatore Murdocca
March 10th, 2009
English
Hardcover
Edition: First Edition

Book 14

A Good Night for Ghosts

by Mary Pope Osborne
January 1st, 2011
English
Paperback

Book 15

Leprechaun in Late Winter Merlin Mission

by Mary Pope Osborne, Salvatore Murdocca
January 12th, 2010
English
Hardcover
Edition: First Edition first Printing
January 12th, 2010
English
Paperback

Book 16

A Ghost Tale for Christmas Time

by Mary Pope Osborne, Sal Murdocca
September 14th, 2010
English
Hardcover

Book 17

January 1st, 2011
English
Hardcover

Book 18

Dogs in the Dead of Night Merlin Mission

by Mary Pope Osborne, Sal Murdocca
August 9th, 2011
English
Hardcover
Edition: First Edition

Book 19

Abe Lincoln at Last!

by Mary Pope Osborne, Salvatore Murdocca
December 27th, 2011
English
Hardcover
Edition: 3072nd

Book 20

Pandas in großer Gefahr

by Mary Pope Osborne, Jutta Knipping, Sandra Margineanu
June 19th, 2017
German
Kindle

A Perfect Time for Pandas

by Mary Pope Osborne
July 24th, 2012
English
Hardcover

Book 21

December 14th, 2015
English
Kindle

Stallion by Starlight Merlin Mission

by Mary Pope Osborne, Salvatore Murdocca
March 26th, 2013
English
Hardcover
Edition: A Stepping Stone Book

Book 22

August 25th, 2015
English
Paperback
Edition: Reprint

Book 23

January 5th, 2016
English
Paperback
Edition: Reprint

Book 24

October 5th, 2016
French
Kindle
May 24th, 2016
English
Paperback

Book 25

January 1st, 2015
English
Paperback

Shadow of the Shark

by Mary Pope Osborne
July 28th, 2015
English
Hardcover

Book 26

Chiens de traîneau en Alaska

by Mary Pope Osborne, Philippe Masson, Sidonie Van den Dries
November 2nd, 2016
French
Paperback

Balto of the Blue Dawn Merlin Mission

by Mary Pope Osborne, Sal Murdocca
January 5th, 2016
English
Hardcover
Edition: Illustrated

Book 27

Night of the Ninth Dragon

by Mary Pope Osborne, Salvatore Murdocca
January 1st, 2016
English
Kindle
Edition: 1