Acknowledgements Acknowledgements
We would like to acknowledge the following students and colleagues for their help in creating the PreTeXt version of our text.
Jana Caine, Simon Fraser University
David Farmer, American Institute of Mathematics
Sean Fitzgerald, University of Lethbridge
Nicola Mulberry, Simon Fraser University
Ha Thu Nguyen, Simon Fraser University
Geoffrey Nonis, Simon Fraser University
Daniel Sloseris, Simon Fraser University
Eli Stockie, Simon Fraser University