As a person who once switched to UX design for a while, I can say that they are definitely great books, though I can't understand everyone' obsession with Steve Krug (he has EXTREMELY basic books).
3. konigi.com (ther blog and wiki) is a top source of information about ALL old and new UX tools, some UX basics and new UX trends. They also sell some very handy tools for UX designers http://konigi.com/tools/overview