Batman Vol. 1 Eighty Page Giant #12

The Captive Planet Beyond our solar system, the strange planet loomed -- a planet whose people were in bondage, doomed to extinction unless they had help! Then help came, from a gallant band of earthmen, led by Batman and Robin -- and thus began the heroic fight for survival and freedom on... The Captive Planet The Caveman Batman From out of the prehistoric ages, when cavemen and mighty mammoths lived, there comes to Gotham City a relic of strange mystery! And when those dynamic detectives, Batman and Robin, go back in time to solve that mystery, their comrade in struggle turns out to be that stone-age crime-crusher who could truly be called... "The Caveman Batman" King Batman the First In the bat-cave's trophy room rests a strange souvenir -- a memento that will always puzzle Batman and Robin! Where it came from and how it was obtained will always be a mystery to the pair! But you, the reader, will recognize it as a reminder of the time the mighty Batman became... King Batman the