The 11th novel from No. 1 bestselling children's author, David Walliams.

When Elsie, an orphan on the streets of Victorian London, hears about the mysterious Ice Monster – a woolly mammoth found at the North Pole – she’s determined to discover more… A chance encounter brings Elsie face to face with the creature, and sparks the adventure of a lifetime – from London to the heart of the Arctic!

Heroes come in all shapes and sizes in David Walliams’ biggest and most epic adventure yet!