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Title: The greatest invention
Review: A joke that swept through The University of Texas a long time ago:A freshman physics teacher at Texas A&M; asked his class to name the greatest invention of all times. One student said fire. Another said gunpowder. Another said the internal combustion engine. Then a Texas A&M; football player on the front row said, "The thermos bottle."When asked by the teacher why he would pick that as the greatest invention, the student said, "You put something hot in it and it stays hot. You put something cold in it and it stays cold."The teacher asked why that made it great, and the student replied, "How do it know which to do?"That thermos bottle is in this book in the form of a magic (indistinguishable from magic) sphere. I liked the first book, in spite of its "magical" science. This novel seemed like a shaggy dog story leading to the thermos bottle. Much ado about little.
