Notes:
Arrival date: 16 January 1962. Statement of Ownership: Average 1961 sales: 215,000. After doing the complete art (pencils and inks) to issue 6, then penciling all of issue 7 and inking the first chapter to issue 7, Alex Toth returned the penciled and partially nked last two chapters to DC stating the book was too much work for too little pay.
Bill Ely who would take over the book with the next issue finished chapter two
"The Last Dinosaur" and Mike Esposito finished the third chapter "The Green Death."