<p>This book is a collection of 175 fundamental quotes and aphorisms of Arthur Conan Doyle:<br><br>"Excellent!" I cried. "Elementary," said he."<br>"Eliminate all other factors, and the one which remains must be the truth."<br>"It is more than possible; it is probable."<br>"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."<br>"Any truth is better than indefinite doubt."<br>"Evil indeed is the man who has not one wo...