"It's unPOPpable!" said the boy, as he stood on his big yellow balloon.
The magical story of an unPOPpable, unSTOPpable yellow balloon and an extraordinary journey beyond the stars.
But what goes up must come down -- and with a big bang!
- Format: Paperback
- Pages: 32 pages, chiefly col. Illustrations
- Publisher: Pan Macmillan
- Publication Date: 02/02/2012
- Category: Picture storybooks
- ISBN: 9780330517409