We found 1 Reddit comments about The Magic Lens: 1. Here are the top ones, ranked by their Reddit score.
http://www.amazon.com/gp/aw/d/0880922109?pc_redir=1408673227&robot_redir=1 I would recommend this book. It's cheap too!
http://www.amazon.com/gp/aw/d/0880922109?pc_redir=1408673227&robot_redir=1
I would recommend this book. It's cheap too!