Purchase one of 1st World Library's Classic Books and help support our free internet library of downloadable eBooks. Visit us online at www.1stWorldLibrary.ORG - - "Well, Tom Swift, I don't believe you will make any mistake if you buy that diamond, " said the jeweler to a young man who was inspecting a tray of pins, set with the sparkling stones. "It is of the first water, and with-out a flaw." "It certainly seems so, Mr. Track. I don't know much about diamonds, and I'm depending on you. But this one looks to be all right." "Is it for yourself, Tom?" "Er - no - that is, not exactly, " and Tom Swift, the young inventor of airships and submarines, blushed slightly.