When a mysterious note invites them to Camelot, Jack and Annie travel in the magic tree house
to the magical kingdom where they must find a lost dragon.
— based on fandom.com
DEBUT
Night of the Ninth Dragon (Random House, July 2016) [print ·
e-book].
VARIANTS
Debut. Night of the Ninth Dragon (Random House, July 2016) [print · e-book].
Middle Ages (AD 476 to 1454): The time travel is debatable because the kids go to a land of magic. We need to check whether the land is explicitly set in a particular time period.
From the magic tree house in Frog Creek, Pennsylvania, circa 2019 ⋙ to an unknown time. Round trip. Note: We still need to find the destination details.