There are several, about 6 that cover rock climbing, not including alpine. Vertical addiction in Canmore or the MEC in Calgary will have what you need.
There are quite a few guidebooks for that region. Separate books for Alpine climbing, trad/multipitch, sport climbing and bouldering. What are you looking for?
we're going to just do sport climbing since unfortunately we only have a few days. but hopefully we'll do some sport multipitch up in the mountains. :D
Check out Raptor and True Grit on the "East End of Rundle" above Canmore. Awesome multi-pitch sport routes! (Raptor is only 5.9 if you pull on one QD on the first pitch)