The Secret of Crossbone Hill.
Cleveland: World, Weekly Reader Book Club, (1959); 184 pp. Juvenile hardback.
David and Kathy Vance sense a mystery in the swamp behind their summer beach house, and then they discover a crude map. Wilson Gage is a pen name of Mary Q. Steele, author of older children's fantasy; she knows the South Carolina lowlands well.
CONDITION: Very Good in Very Good jacket; neat name, darkening; in dw with sl wear to extrems, entire coupon and bookmark present with light pencil name; unclipped price 2.95. Item #15169
$22