KENNEN Ally Collins big cat : the hedgehog mystery / written by Ally Kennen ; illustrated by Mark Beech - London : HarperCollins Educational, 2011 - 55 p. : col. ill. ; 21 cm. - Collins big cat. Sapphire, band 16 . ISBN: 9780007336388 (pbk.) : 9.40 BND Subjects--Topical Terms: GRANDMOTHERS -- CHILD -- JUVENILE FICTIONGRANDMOTHERS -- JUVENILE FICTION