K. A. Applegate is the lady who wrote Animorphs - or at least up until she started hiring ghost writers for everything - and mostly didn't write anything else good. However, of the stuff that was worth reading, she produced a series with a strong start that quickly got weird.

I'm happy to have read the whole series, but its not the highest quality. However, I must recommend to all people everywhere to read the very first book, which might as well be standalone. Its best to go in blind, trust me