Released on 18 December 2014.

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3.84 based on 21 ratings & 1 reviews on Goodreads.com

Synopsis

"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!