oh the maya 4.5 fundamentals will be out soon as 2nd edition from 4.0 fundamentals, so maybe good to wait as it covers the same as 4.0 and adds some 4.5 stuff. it should still work with 4.0 and lower, but you get a free preview on 4.5.

well, i have 4.5, so i wait for the 2nd edition to come out