Aliens Love Underpants by Claire Freedman and illustrated by Ben Cort is a must for any toddler and preschooler book shelf. This was the first of the Love Underpants that we read and J and I have continued to read it regularly. These funny little aliens are fascinated by Underpants (we brought it for J when we were starting potty training.
The beautifully illustrated aliens (by Ben Cort) descend to earth not to invade the planet but because they love underpants and there are none to be found in space.
This is a great book full of rhyme which the youngest toddlers will love to listen to and preschoolers will quickly pick up and help you read it together.