New York: Delacorte, (1968). Hardcover first edition - An uncommon title by this prolific author of children's books. Youg Melvin Spitznagel is a mechanical genius, known for borrowing things, taking them apart and then returning them better than new. When he develops his flying Silver Zephyr, little did he know that it would be needed to rescue his relatives from wolves, a pack of very hungry wolves! Illustrated with drawings by Fernando Krahn. Square format. 114 pp plus a final illustration.