Just read Baby Whisperer for toddlers, Contented little toddler (Gina Ford) and Toddler Taming by Christoper Green. As you will probably guess we have hit 21 months and my little one is asserting her personality! No huge problems, but thought I'd like to read what the currect crop of books advise.
Personally, I think I'll take a little bit from all of them and adapt to our situation - of the three I liked Toddler Taming the best in terms of discipline and Gina Ford for good schedules/routines.