Aliens at the door can only mean trouble in this hilarious rhyming counting book that is out of this world!
A little girl is in for an interstellar adventure when the noisy space invaders hijack her house to get home. Can she get back down to Earth – without waking Gran?!
The follow-up to the hilarious Knock Knock Dinosaur and Knock Knock Pirate – from award-winning author Caryl Hart and bestselling illustrator Nick East.