"The Eye of Amtor, Part 1 of 3"
*In Carson of Venus: Eye of Amtor, stranded Earthman Carson Napier fights against time and the planet Venus itself, tasked with gathering natural artifacts from across wild Amtor before a mad king executes his friends Ero Shan and Nalte. But Carson is not alone, as Princess Duare battles at his side against unearthly creatures and savage landscapes!
"Dark of the Sun, Part 1 of 3"
*Then, thrill to the adventures of scientist Jason Gridley and his mysterious protégé Victory Harben in the astounding Pellucidar: Dark of the Sun, a special, three-part, back-up story that launches the epic plotline that will run throughout the novels in the first ERBU "super-arc!" *Source: americanmythology.net