@ Tec0, Blurock and Adrian: now I’m jealous, I’ve just got to include my current favourites:

Pat the Bunny;
Peek a who;
Brown Bear, Brown Bear, What do You See?
Harold and the Purple Crayon;
The Going to Bed Book;
The Little Engine That Could;
Sheep in a Jeep;
The Runaway Bunny;
Once Upon a Potty;