Text ( visual ) : unmediated Shelley Holmes ace detective / Michaela Morgan ; illustrated by Dee Shulman. -- Oxford : Oxford University Press , 2014, c1998. -- 47 p. : ill. ; 20 cm. -- (Treetops ; . Fiction ; level 12, book band 13 grey, pack A). -- ISBN 9780198447696 ; (BC12844879) ; https://ci.nii.ac.jp/ncid/BC12844879 Author Heading(s): Morgan, Michaela ; Shulman, Dee. -- Classification(s): DC23 : 428.6. -- Subject Heading(s): LCSH : Readers (Elementary) ; LCSH : Children's stories