GETTYSBURG (308 pp.)—Earl Schenck Miers and Richard A. Brown—Rutgers ($3.50). Crossing a road near Gettysburg, 13-year-old Billy Bayly met a mud-splashed Union cavalryman. Said Billy: “Hello . . .

Includes the period of June 20 to July 15, 1863, from Fremantle's Three months in the Southern States, and Haskell's The Battle of Gettysburg. siris_sil_46053 ...