#1

Synopsis

The Riches try out Professor Gurple's experimental cold pill.

Reprinted from

• Richie Rich Millions #39
• Richie Rich Millions #70
• Richie Rich Money World #15
• Richie Rich Money World #23
• Richie Rich Bank Book #40
• Richie Rich and His Mean Cousin Reggie #1
• Richie Rich Profits #28
• Richie Rich & Dollar the Dog #10

Other printings & variants

• Canadian
• Direct