[FOOTNOTES]
[1]Where readers are quite young the Foreword had better be postponed until the stories themselves are read.
[2]Mr. Walter Hough of the National Museum, himself a wizard in the art of fire-making, tells me that a blaze cannot be produced simply by rubbing sticks together. All that can be done by rubbing is to make them glow.
[3]A narrow strip of leather.
[4]The ancient Greeks used a burning-glass or -lens for kindling fire. The lens focused the sun's rays upon a substance that would burn easily and set it afire. The burning-glass was not connected in any way with the development of the match.