The hilarious children's book from No. 1 bestselling author David Walliams - a fantastically funny tale illustrated by artistic genius Tony Ross. WELCOME TO THE ISLE OF MULCH... This little island is home to a large number of HORRIBLE grown-ups who like nothing more than making children miserable. The most AWFUL one of all is Aunt Greta Greed who owns the whole island. Something needs to be done about them. But who could be brave enough? Meet Ned - an extraordinary boy with a special power. SLIMEPOWER! David Walliams was most recently Children's #1 bestseller with The World's Worst Pets (TCM chart: 30 April 2022)

Two girls meet on a train journey.

One of them - privileged, chaotic - is heading to an exclusive Swiss rehab centre following months of partying and living wildly.

The other - who couldn't be more different - is down to her last penny, running away.

When they get off the train they are both pretending to be the other. Just for a short period, of course. Just until the rehab stint is over . . .