Text ( visual ) : unmediated The cloud hunters / Alex Shearer. -- : pbk.. -- London : Hot Key Books , 2013. -- 279 p. ; 20 cm. -- ISBN 9781471400452 ; (BB16619618) ; https://ci.nii.ac.jp/ncid/BB16619618 Author Heading(s): Shearer, Alex. -- Classification(s): DC23 : 823.92. -- Subject Heading(s): LCSH : Fantasy fiction ; LCSH : Children's stories