Text ( visual ) : unmediated Night of the ninth dragon / by Mary Pope Osborne ; illustrated by Sal Murdocca. -- : pbk. -- New York : Random House , c2016. -- 121 p. : ill., port. ; 20 cm. -- (Magic tree house Merlin missions ; #27 ; A stepping stone book). -- #1 New York Times Bestselling Series ; "Originally published in hardcover as Magic tree house #55 in 2016."--T.p. verso ; "Ages 7-10"--P. [4] of cover. -- ISBN 9780553510928 ; (BC12240713) ; https://ci.nii.ac.jp/ncid/BC12240713 Author Heading(s): Osborne, Mary Pope ; Murdocca, Sal. -- Classification(s): DC23 : 813.6. -- Subject Heading(s): LCSH : Jack (Fictitious character from Osborne) -- Juvenile fiction ; LCSH : Annie (Fictitious character from Osborne) -- Juvenile fiction ; LCSH : Tree houses -- Juvenile fiction ; LCSH : Adventure stories ; LCSH : Children's stories