But you can get the Kindle version for $16.7 And you can get it even cheaper shopping around for other audiobook providers.On your typical modern e-reader, you can carry hundreds of books with you at once and flip from one to another at will. Paper books certainly have their charm, but multiples can be cumbersome. But now, you can carry a single e-reader with you that's roughly the weight of a paperback. This benefit is exclusive to Kindle users who are Amazon Prime members, however you can also try out this service if you have the Amazon Prime trial.
I found the robot voice surprisingly listenable.