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, creator of Supermarket Zoo, and bestselling illustrator Nick East.

Author Biography

Caryl Hart (Author) Caryl Hart is the author of many bestselling books for children, including the hugely successful How to Grow A Dinosaur and The Princess and the Peas. She is the winner of the Stockport Children's Book Award, the Sheffield Children's Book Award and the Lancashire Share a Story Award. Caryl lives on the top of a windy hill in the Peak District with her guitar-playing husband, two cheeky daughters, one extremely fluffy black cat, a goldfish, four hens and an invisible dog called Paddy. Follow Caryl at carylhart.com and @carylhart1 Nick East (Illustrator) Nick East is the illustrator of the bestselling Toto the Ninja Cat as well as the Goodnight Digger and Knock Knock series. He has been working as a museum designer for the past 16 years but has always been a storyteller, whether as a child, filling sketchbooks with quirky characters, or as a designer displaying a collection of ancient artefacts. Nick lives near York with his wife and two children and, when he isn't drawing, he is out riding bikes and spending time with his family. Find Nick at nickeastillustration.com