CHRISTY by Catherine Marshall. 496 pages. McGraw-Hill. $6.95.
"Hain't it true, Teacher," asks the pupil, "that if God loves ever'body, then we'uns got to love ever'body too?" Christy Huddleston, the new 19-year-old mission schoolmarm, can handle that question easily, but God and the reader have their task cut out for them in this relentlessly uplifting honeypot. A first novel by the author of A Man Called Peter, this book tells of the Cutter Gap mountain mission in East Tennessee back in 1912: isolated mountaineers, moonshine, feuds, babies. Author Marshall concentrates laboriously on three priggish...