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 KAY TRACEY MYSTERY STORIES By FRANCES K. JUDD Meet clever Kay Tracey, who, though only sixteen, solves mysteries in a sur- prising manner. Working on clues which she assembles, this surprising heroine supplies the solution to cases that have baffled professional sleuths. The KAY TRACEY MYSTERY STORIES will grip a reader from start to finish. I2mo. Cloth. Illustrated. Jacket in color. Price 50 cents per volume. Postage 10 cents additional. . THE SECRET OF THE RED SCARF A case of mistaken identity at a masquerade leads Kay into a delightful but mysterious secret. . THE STRANGE ECHO Lost Lake had two mysteries an old one and a new one. Kay, visiting there, solves both of them by deciphering a strange echo. . THE MYSTERY OF THE SWAYING CURTAINS Heavy draperies swaying in a lonely mansion give the clue which is needed to solve a mystery that has defied professional investigators but proves to be fun for the attractive and clever Kay Tracey. . THE SHADOW ON THE DOOR Was the shadow on the door made by a human being or an animal? Apparently without explanation Kay Tracey, after some exciting work solved the mystery and was able to help a small child out of an unfortunate situation. CUPPLES & LEON COMPANY, Publishers New York