ent to<br >bution to this work<br >ibrary.<br >an copyright 1989<br >in any review， the<br >work in whole or in part<br >chanical or other means，<br >including xerography，<br > any information storage<br >ithout the permission<br >u-y， 225 Duncan Mill Road，<br >3IO.<br >re no existence outside the<br >re no relation whatsoever to<br >~mes. They are not even<br >I known or unknown to the<br >~vention.<br >United States Patent and<br >ntries.<br >If the past reflects the future， historians ought to be<br >the best fortune-tellers， Robert Newton thought as he<br >swatted a mosquito at the back of his neck. The in-<br >sect had already pierced his skin and sucked in<br >enough blood to become a crimson smear on his<br >palm. He glanced at it， aware that it was his own<br >blood. The insects had already gotten a lot of his<br >blood over the past three days， and Newton figured<br >he would be anemic before they returned to Mexico<br >City.<br > Seeing himself panting and sweating in a tropical<br >jungle in southern Mexico was one thing he hadn t<br >included in his plans. A high school history teacher<br >from Chaska， Minnesota， Newton had wanted to do<br >something different during his summer vacation<br >months. He had saved as much money as possible--<br >no easy task on the meager salary of a school-<br >teacher--for his big adventure in Mexico. Divorced<br >for more than a year， he had been looking forward<br >to his first big vacation as a swinging bachelor far<br >from the eyes and ears of the Chaska Board of Edu-<br ><br >