DAVE FEARLESS AND THE CAVE OF MYSTERY #3.
Edition: First or early printing.
New York: George Sully and Company, (1918). Hardcover first edition - The third book in the series to use the name "Dave Fearless" or the 7th in the Deep Sea / Sea Treasure series. Illustrated with a glossy frontispiece. 248 pp plus 4pp publisher's ad. Last title listed at the front of the book.
Condition: Good only in illustrated cream colored covers with a picture of a ship under full sail, lettering in black and red (corners bumped and frayed, some overall soiling to the covers, tide marks affecting the lower corner of several pages, but a sturdy copy, tight binding, straight spine.)