Text ( visual ) : unmediated Balto of the blue dawn / Mary Pope Osborne ; illustrated by Sal Murdocca. -- pbk.. -- New York : Random House Books for Young Readers , c2016. -- 117 p. : ill. ; 20 cm. -- (Magic tree house ; #26 . Merlin missions ; A stepping stone book). -- ISBN 9780553510881 ; (BB2536852X) ; https://ci.nii.ac.jp/ncid/BB2536852X Author Heading(s): Osborne, Mary Pope ; Murdocca, Sal. -- Classification(s): DC23 : 813.6. -- Subject Heading(s): LCSH : Adventure stories ; LCSH : Children's stories