Should I buy Introduction to Electrodynamics (3rd Edition) (Paperback)?

[xdrgnh]

Should I buy this book for a good price now even though I won't be taking a junior year E@M class till two years from now. I'm asking because I could use Griffiths now as a good reference book. But because it's paper back idk if it will last for two more years. This semester I'm taking an E@M class taught using Purcell.

Thanks.

[Pengwuino]

Paperbacks aren't THAT flimsy. I still have paperbacks from back when I was an undergrad in college.