00674cam a2200229 4500 547142988 TxAuBib 20100322120000.0 000905s1973||||||||||||||||||||||||eng|u 73005845/AC 9780395175125 0395175127 (BRO) TxAuBib Marshall, James. George and Martha encore. Boston : Houghton Mifflin, 1973. 46 p : col. illus ; 21 cm. In five brief episodes two hippopotamuses reinforce their friendship. 20100322. Friendship Fiction. TXKDM