Patrick Juola received his Ph.D. in Computer Science from the University of Colorado at Boulder in 1995, specializing in computational psycholinguistics. He worked as a postdoc in Experimental Psychology at the University of Oxford from 1995-8, then accepted a teaching position at Duquesne University. His research interests include computational psycholinguistics, humanities computing, digital and linguistic forensics, and computer security. This book is an outgrowth of his teaching experiences at Duquesne.