This is Volume 15 in the original The Hardy Boys Mystery Stories of Frank and Joe Hardy where Mr. Alden's new car engine had strange accidents in which their windshields suddenly turned milky white, just after passing a road sign warning “DANGER” ....
Howard Pyle, profuse black/white illustrations by Howard Pyle
Hardcover
(Charles Scribner's Sons, Aug. 16, 1910)
Fair+ hardcover. No DJ. Text unmarked. Some page-turn soiling marks. Covers show edge wear with rubbing/soiling and bumped corners. Spine edge wear. Hinges cracked but binding still intact.