"The professor was reading the scrap, and silently handed it to George"
CONTENTS
[CHAPTER I. Mysterious Disappearance of the Team]
The runaway team. Circumstances leading up to the present condition. The singular occurrences. Examining the tree. The search for the yaks. Red Angel as a scout. On the tracks. Losing the trail. Red Angel's discovery. The wrecked wagon. The lost weapons and ammunition. Breaking in new steers. The planting program. Different plants and soils. Prospecting for ores and vegetation. Discussing hunting trip. How people of different countries select soils. Wild fruit and vegetables. Lessons from the actions of their animals. Propagation of fruit and vegetables. Chemical changes produced by different soils. The wild potato.
[CHAPTER II. Working on the New Boat]
Determine to bring in the newly discovered lifeboat. Trip to South River. Finding the broken yoke of their team. Recovering the lifeboat. Uses for the bolo. Decision to row the boat around the point. Making more guns. Preparing new tools. Alloys and their uses. Hardness of metal. Bronze. Ancient guns. Manganese. Making stocks for the guns. Commencing the hull of the new boat. Size of the vessel. About shape or form of hulls. Momentum. Resistance. Red Angel's attempt to whistle. Amusing performance. Teaching Red Angel accomplishments. Vibration, the universal force.
[CHAPTER III. The Hidden Message]
The new yoke for the yaks. Some of the mysteries. Discussion concerning future discoveries. Rainbows. Musical pitch and colors. Reflection and refraction. Riding the yaks. Completing some of the guns. The trip after the wrecked wagon. Finding their runaway team. Accounting for their disappearance. Prospecting. Sugar cane discovered. Sorghum. The Tamarisk. Rigging up the lifeboat with sails. Discovery of a hidden message in the lifeboat. Examining the place where it was found. Determining the time when the message was written. Rushing preparation of guns and ammunition. Galena. Lead. Getting rid of the sulphur. Making bullets.