BAUM, L. Frank. Sky Island Being the Further Exciting Adventures of Trot and Cap'n Bill after Their Visit to the Sea Fairies, Chicago: Reilly & Britton Co., 1912. 4, additional title, coloured by hand, coloured frontispiece and illustrations by John R. Neill, original red cloth with coloured illustration laid down on the upper cover. FIRST EDITION, SIGNED BY HELEN WILLS.