It is a great privilege and pleasure for me to write the foreword to this book, which is the result of considerable effort on the part of Dr. Makoto Matsuura and Mr. Seiki Yamane. Such an introduction might sound like a cliche, but in this case the sentiments are real, since the preparation of this book really has been a laborious task. In fact, I think it would not be an exaggeration to say that such a book could only be published once every 100 years. I would like to explain why I regard this book as unique. It is well known that as social insects "hachi" (as bees and wasps are called in...