<strong>R D Ferguson</strong> is the pen name for <strong>Ronald D Ferguso</strong>n, PhD (1942 - ), when writing Young Adult novels. He taught college mathematics for many years and published 4 mathematics textbooks. An active member of the Science Fiction and Fantasy Writers of America, he now writes full-time, both fiction and non-fiction. His short fiction has appeared in numerous venues. He, his wife, and their rescue dog live near the shadow of the Alamo. <br>WWW.RonaldDFerguson.com