Hi! I am the author of "The Twisted Doors: The Scariest Way in the World to Learn English! It is a ESL EFL textbook (with audio) that embeds a gripping mystery story, right into the grammar quizzes and dialogues. This is not your typical boring language-teaching textbook! Please visit http://www.thetwisteddoors.com/esl.htm for more information. To READ chapter 19, please go to http://www.thetwisteddoors.com/chap19esl.pdf and to LISTEN to chapter 19, please go to http://www.thetwisteddoors.com/ESL.mp3. Available in a Teacher's Edition (includes answer key) and a Student Edition. Comes with a 39-track accompanying audio CD dramatically narrated by the author.