Ok so we've had a moan about the bad ones. Lets think of the best books. Some of which seem a bit crap to me but if my DS loves it (22 months) then it gets a vote from me.
Current favourites are, The Gruffalo, Russell the Sheep, Splat the Cat, Mouse moves House or any of the Usbourne phonics books. He also loved (when we had them from the library) Bear Hunt, The Tiger who came to Tea, Wibbley Pig. God he loves sooo many I can't actually remember them at the moment.