WELCOME BACK TO ANOTHER THRILLING TALE OF ADVENTURE WITH OUR HERO ZIP ZAPPERDOODLE! WE FIND OUR HERO IN THE DEPTHS OF UNEXPLORED SPACE, WITH ONLY A TELEGRAPH EXPRESSING THE URGENT NEED OF HELP, ZIP ZAPPERDOODLE AND HIS TRUSTY WARD, JIMMY ARE OFF TO A PLANET UNKNOWN. IS DANGER AWAITING ZIP AND HIS WARD? WILL THEY EVER FIND THE UNKNOWN PLANET, OR WILL THEY FLOAT ADRIFT FOREVER IN SPACE!? FIND OUT NOW IN,‘ZIP ZAPPERDOODLE AND THE MISSING MOON'