Cover art by Jose Luis Garcia-Lopez. Challenge of the Green K-tastrophe! starring Superboy, script by Cary Bates, pencils by Kurt Schaffenberger, inks by Joe Giella; Mr. Wenton has invented synthetic liquid Green Kryptonite; He travels to Smallville to ask Superboy to test it but criminals discover his plans and kidnap him and the Green Kryptonite. The Leaning Tower of Metropolis! starring Mr. & Mrs. Superman, script by Cary Bates, pencils by Kurt Schaffenberger, inks by Dave Hunt. Phantom of the Opry–Superman’s Pal Jimmy Olsen, script by Gerry Conway, pencils by John Calnan, inks by Vince Colletta. The Riddle of the Runaway Rocket!–Superman’s Girl Friend Lois Lane, script by Gerry Conway, pencils by Bob Oksner, inks by Vince Colletta. The Cosmic Abduction! starring Supergirl, script by Jack C. Harris, pencils by Don Heck, inks by Joe Giella. 68 pgs