With Illustrations by Arthur I. Keller. Indianapolis: The Bobbs-Merrill Company, n.d. . 18 pp undated ads. Original dark green cloth decorated in red and gilt.
First Edition of this mystery that starts off with an offer of a $50,000 reward for the return, no questions asked, of a missing child. This is a bright copy, fine except for very slight rubbing at the extremities. Item #3687