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0L here. Scored a couple boxes of law school hand-me-downs from friends, among which include some Sum & Substance and PMBR CDs, but they're older editions. Any idea if these are too outdated for me?

1. Sum & Substance: Civ Pro, 6th ed. (Miller) - currently in 7th ed.
2. Sum & Substance: Crim Pro, 3rd ed. (Dressler) - currently in 5th ed.
3. Sum & Substance: Crim Law, 3rd ed. (Dressler) - currently in 5th ed.
4. Sum & Substsance: Con Law, 6th ed. (Cheh) - currently in 7th ed.
5. PMBR Multistate CD Review: Torts, K, Property, Evidence, Crim Law, Con Law, Corporations, Wills, Tax, Remedies - no year apparent on discs, but friend passed the bar in 2008 so I'd guess around then

I found the Miller one useful. If you are having trouble grasping the macro of the class (often hard to do the first semester of law school), they could be useful to listen to at the gym or such.