Metal Men 1963 #20 - back issue - $5.00

The Metal Men reconstruct Dr. Yes's robot with a responsometer, to have it lead them to Dr. Yes. But Dr. Yes turns the tables and the Metal Men have to fight and destroy the robot again, and still do not find his lair.

Information on bone structure of the hand and foot, and properties of the element Mercury, and compound carbolic acid.

After telling the boys some tales, the captain takes them to the library where they can travel anywhere just by reading.

A list of items to have handy before you start to build a plastic model.

Information on ratios of paramecium division rates, thickness of the ozone layer, aging of humans vs. dogs, and sunlight over the earth's surface.

Andy and George try out G.I. Joe's new diving suit set.

On-sale date from ad in Batman #181 and copyright registration.

• The Top TV Comic Stars Come From DC - The House of Hits - Ad for various TV shows and a Broadway Musical based on DC Comics characters. Printed in black-and-white on inside front cover.
• Birthday Cake for a Cannibal Robot! - Story is broken into 3 parts. 21 pages of story are full pages while pages 6, 12 & 24 are 0.67 pages of art and 0.33 pages of house ads.
• - House ad for DC comics. At bottom of page 6 of the main story.
• - Appears after page 6 of main story.
• Your Free Trip Around the World! - Appears after "Science Says You're Wrong." Credits from a list by Lionel English, which also gives the penciller and inker as "Morris Waldinger" in one of the issues this PSA appears in. Published in cooperation with the National Social Welfare Assembly.
• The Kat Visits AMT's New Trophy "Haul of Fame" - Ad for models of '40 Ford Coupe and '34 Ford Pickup Truck. Appears after "Your Free Trip Around the World!"
• A Super-Scoop! - House ad for Superman #187, with cover shown, on sale April 14th. Appears before page 7 of the main story.
• - House ad for DC Comics, showing recent pinups that were included in Batman and Detective Comics. At bottom of page 12 of the main story.
• - Letters from: Gary Rothy, Ken Nathanson, and Brian Hoye. Appears after page 12 of main story and before "Cap's Hobby Hints."
• - Appears after letters page. Idea from Gerald Greitzer, who was awarded the original art.
• - Appears on bottom of page with "Cap's Hobby Hints."
• 40 Army-Navy-Marine All Authentic Medals & Insignias - Ad for military medals and patches from unknown company. After page 18 of the main story.
• - Ad for amusement park, with coupons. After page 18 of the main story.
• Scooter? Who He? - House ad for Swing With Scooter #1, with cover shown, on sale April 7th. Before page 19 of the main story.
• Captured at Last! - House ad for Justice League of America, with cover shown, on sale April 26th. At bottom of page 24 of the main story.
• - Printed on inside back cover in black-and-white. Ad in sequential art form for G.I. Joe Diving Suit; includes a coupon to join the G.I. Joe Club.
• Look What You Can Make with Mattel's Vac-U-Form - Ad for Mattel's Vac-U-Form. On back cover.