H.G. Clarke & Co. Things Worth Knowing. A Descriptive List of the Best Games, Conjuring Tricks, Miniature Theatres, and Other Novelties. London, ca. 1880s. Printed wrappers (rear lacking). 52 pages. Profusion of illustrations of parlor magic apparatus, plus toy boats and trains, magic lanterns, and more. Ownership signature of Stanley Collins. Scarce.