I'll throw in this book, as well, since it's what I used with pretty good success:
http://www.amazon.com/Mathematical-Proofs-Transition-Advanced-Mathematics/dp/0321797094
I'll throw in this book, as well, since it's what I used with pretty good success:
http://www.amazon.com/Mathematical-Proofs-Transition-Advanced-Mathematics/dp/0321797094