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Copyright © 2004 Maria Claudia Faverio All rights reserved. No portion of this book may be reproduced in any form without express written permission from the author. The author has made every effort to ensure that the content of this book is accurate. However, errors can occasionally occur in books of this kind. If you find an error or a misprint, please notify the publisher or the author. Genius is thunder and sunshine at the same time. 2 Genius and Insanity A collection of puzzles for fun-loving people About the author Maria Claudia Faverio is a translator and a writer with a passion for poems and puzzles. She is a member of 40 High-IQ Societies, among which Ludomind, a High-IQ Society for puzzle lovers. Some of her societies are mentioned in the puzzles. Maria is also the co-author of the CIAT (Cerebrals Intelligence and Achievement Tests Battery) and of the Fourth International Contest of logical problems (organised by the Ludomind society). She dedicates this book to all people who believe in the wonderful power of intelligence and creativity. Preface Preface Most of the puzzles presented in this book can be solved by anyone by simple reasoning and logic. For most of them you will not need any particular mathematical knowledge (although high-school level, in particular algebra, may come in handy), but only a passion for puzzles, games and extravagance. Of course there are some oldies, like the problem of the average. Why withhold the best puzzles from the reader only because they are old chestnuts? But I can assure that their content is absolutely new. As I am well aware of the fact that my readers are individuals with different tastes, I have divided my book into different sections containing different kinds of puzzles. The first collection of puzzles, “Genius and Insanity”, is the collection to which this book owes its