The Great Pimlico Mystery.
A Well-Kept Secret Disclosed.
First edition; 8vo; xylographic device, initials, head- & tail-pieces, 2pp. advertisements, small later ownership label to verso of title, some foxing to early pages and occasionally elsewhere; publisher's pale blue upper wrapper, lacking spine (replaced in plain paper) [ý]and lower wrapper; housed in later card chemise and cloth slip-case.
Glover & Greene 294; not in Ellery Queen.