It's hard to believe now, but more than 100 drive-in theaters once existed on or near Route 66. The number now is seven. That factoid and many more are found in Michael Kilgore's well-researched and brisk-reading "Drive-Ins of Route 66: Yesterday and Today" (Neon Jukebox, 176 pages, illustrated, e-book available). Kilgore is the big kahuna … Continue reading Book review: “Drive-Ins of Route 66: Yesterday and Today”