I can't believe I never heard of this fascinating one-shot. It's too bad Gold Medal didn't try a couple more times so they could have worked out the kinks. I presume that either the book sold poorly or it was too expensive to produce.
The story kept my interest. It reminds me of 50s B-movies. On the plus side, the story is complex enough to fill the pages comfortably but simple enough not to seemed crammed in. Some genuine suspense builds up during the first two-thirds. On the minus side, once the clock starts ticking the delaying obstructions pile up to the point of ridiculousness. It's good to see an intelligent heroine who stands up for herself, though toward the end her purple dialogue becomes a bit much.
The artwork is a solid job by a skilled craftsman, but I'm hanged if I recognize the artist. I thought I caught whiffs of Fawcett regulars like Evans, Swayze, and McWilliams, but I'm pretty sure these were just coincidence. The artist's storytelling and drawing style suggest he was an experienced comic book artist, not a pulp artist or cover painter doing some moonlighting.
The main "kink" to me is the way the story is split up. I don't object to chapters with titles (like British pocket libraries), but the breathless "Will they arrive in time to save her?" captions at the end of each chapter sound like something from an old silent serial.
I see copies of this book sell for around $150. Thanks for making it possible to see this rarity.