00638cam a2200205 4500 546497888 TxAuBib 20100310120000.0 000207s1963||||||||||||||||||||||||eng|u 9780448080567 8.00 0448080567 8.00 TxAuBib Hope, Laura Lee. The Bobbsey twins and the big river mystery / by Laura Lee Hope. New York : Grosset & Dunlap, 1963. 176 p. : ill. ; 20 cm. 20100310. Mystery and detective stories. TXGAI