Issue #1 of 2. Published in 1966, towards the end of the Silver Age. Based on the Irwin Allen science fiction show of the same name. Cover is illustrated and includes a small photo of the show; back cover is a large frame of the show. Small creases and scrapes along spine; corners are slightly rounded from wear. Slight discoloraton along the edges due to age. Pages are intact and clean; the comic remains easily readable.