Help! Is buying an older edition of The Princeton’s Review a mistake?

[med_ical]

Am I making a stupid mistake by buying last year’s edition of The Princeton Review? Is it more worthwhile to spend 3x the price and get the 2017/18 version?

help! Major MCAT n00b here

thanks!

[happybee]

I suspect it wouldn't be because its formulated for the new mcat...but getting more opinions seems like a good idea