Chapter 15 MOUNTAIN HIKE

"After adequate doses of your space vitamin, Dad, a skin diver could tackle almost any undersea job in my hydrolung!" Tom exclaimed. "He wouldn't be subjected to any antiosmosis troubles with his body tissues."

His father nodded. "For the first time, man might become a truly marine creature!"

"Wow! Think of it!" Bud gasped excitedly. "With To