P 198r--Castle by the Sea--4x4 square grid cipher, 1909

Illustration, p 198 --from "the castle by the sea" by h b marriott watson; illustrator, hermann pfeiffer; publisher, a. L. Burt co, new york, 1909. Cipher of 4x4 squares grid, with following text at right: 3 x 3 20 staires r. Wall. Date: 1909.