The Riddle of Raggedrock Ridge — Marilyn Ezzell

EARTHSHAKING SLEUTHING

Susan Sand and her best friend Marge Halloran are horseback riding on a tranquil autumn day. As they reach Raggedrock Ridge, boulders and rocks begin to tumble and splinter, and an earth tremor ensues, bolting Marge from her horse, Susan seeks aid at the odd-looking home of a mysterious doctor. Bizarre events lead to a puzzling mystery about an 1890's earthquake and some missing jewels. Danger and intrigue await our daring young sleuth amidst the moonlight shadows and craggy nooks of Raggedrock Ridge as she solves her most amazing adventure yet.