<p Nicholas Maes is a high school history teacher and teaches classics at the University of Waterloo. His previous novels for young people are <em Crescent Star, Locksmith</em , and <em Transmigration</em . Maes' first Felix Taylor Adventure was <em Laughing Wolf</em , which was nominated for the Snow Willow Award. He lives in Toronto.</p<p Julie H. Ferguson, a successful author and speaker, has been writing about the Canadian submarine service since 1984. Julie's submarine articles have appeared in <i Legion</i magazine, <i Sea Power</i , <i USNI Proceedings</i , and elsewhere; her second submarine book, <i Deeply Canadian: New Submarines for… a New Millennium</i , was published in 2000.</p