step up to medicine

Hey, guys! Is there a difference between Step Up to Medicine edition 4 vs 5? I have a PDF of the 4th edition and wasn't sure if I really needed to purchase the latest ed. I really need to do well on STEP2 and clerkships, so please help me out!

So I don't see an up to date poll for this - and times change. So the best backbone of step 2 CK studying is: UWorld + Which book? (there may be other types of resources, but I'm interested in the best Text). Let's say for a 4 week study period (haven't started a prep book yet).

Hi, next semester I'm starting my clinical rotation in Internal Medicine (3rd year) and I was wondering whether it was better to use Harrison's Manual (not Big Harrison's) or SUTM. What do you guys recommend? Thanks!

Completely unimportant, just-because-I-was-wondering type of question. I was simply surprised, I was expecting contributors from Harvard, Yale, Vanderbilt, etc, but nope. It's a lot of people from places like Lake Erie, Edward Via. Not saying that's bad I'm sure they're brilliant people. Like I...