DC - Detective Comics #293 (1961) BatmanDetective Comics #293 Published July 1961 Batman, Robin and a boatload of people find themselves sent through a strange dimensional warp into another world, where they must help the native Yllans overcome the lizardlike Gruggs. After their adventure is over, the passengers of the boat realize that their lives are forever changed, and the Dynamic Duo captures another criminal. 5. 0 Grade An average, second hand, obviously read copy with marks and minor