00759cam a2200229 4500 357699756 TxAuBib 950518s1995||||||||||||||||||||||||eng|u 95009535/AC 9780448411231 0448411237 (OCoLC)32664840 PWmBRO TxAuBib Heller, Ruth, 1924- Behind the mask : a book about prepositions / written and illustrated by Ruth Heller. New York : Grosset & Dunlap, 1995. p. cm. Explores through rhyming text the subject of prepositions and how they're used. English language. English language. Prepositions. QS7