Lot of 6 Dr Seuss I Can Read hardback books for beginners

Set of 6 Dr Seuss's I can read it all by myself, beginner books A B C One fish Two fish Red fish Blue fish Green Eggs and Ham In A People House* I Wish I Had Duck Feet Hop On Pop *the people house book is a bit smaller and is the only one with a yellow sticker on spine. no markings in any of the books