Milo's mum has laid an egg, and it's due to hatch at any time. So when Mum has to go on a food-finding expedition, Dad has to look after the egg. So it's up to Milo to deliver the Penguin Post mail.
- ISBN10 0385601298
- ISBN13 9780385601290
- Publish Date 2 September 2002
- Publish Status Out of Print
- Out of Print 10 August 2021
- Publish Country GB
- Publisher Penguin Random House Children's UK
- Imprint Doubleday Children's Books
- Format Hardcover
- Pages 32
- Language English