BE WARNED AWFUL ANIMALS LURK INSIDE... Millions of readers have loved The World's Worst Children, The World's Worst Teachers and The World's Worst Parents - now they will delight in this ludicrously laugh-out-loud collection of pets, brought to you by the phenomenal Number One bestselling author David Walliams, with every story illustrated in vibrant colour by Adam Stower. These ten tales of the world's craziest...