"It's unpOppable!" said the boy, as he stood on his big yellow balloon.

UnpOppable, by the award-winning Tim Hopgood, is 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!

There are 32 pages in this book. This is a picture book. A picture book uses pictures and text to tell the story. The number of words varies from zero ('wordless') to around 1k over 32 pages. Picture books are typically aimed at young readers (age 3-6) but can also be aimed at older children (7+). This book was published 2016 by Pan Macmillan .

Tim Hopgood is the illustrator of What a Wonderful World, Walking in a Winter Wonderland, Hooray for Hoppy!, Wow! Said the Owl, and many other popular picture books. He lives with his family in North Yorkshire, England.