Twain, Mark Life on the Mississippi / Mark Twain. - Pleasantville : Reader's Digest Association, 1987. - 382 pages : ill.; 23 cm. - The World's best reading . - 82A-31 (NLA) . ISBN: 0895772752 Subjects--Topical Terms: American fiction Subjects--Geographic Terms: Mississippi River --Description and travel Universal Decimal Class. No.: 82A-31 (NLA)