Pugs of the Frozen North

The 3rd book from the partnership between 2 inspirational talents, Philip Reeve, author of the "Mortal Engines" series, and Sarah McIntyre, author and illustrator of "There's A Shark In The Bath". This follows the success of "Cakes In Space" and "Oliver & The Seawigs". Who will win the Race to the Top of the World? Could it be 2 kids riding a sled pulled by 66 pugs wearing jumpers?! Ages: 7+