Another laugh-out-loud monster adventure in the Billy and the Mini Monsters chapter book series, perfect for newly independent readers aged 6+ and fans of Claude and Horrid Henry.Billy HATES swimming. It's cold and wet and horrible. And just when Billy thinks things can't get any worse, his pet Mini Monsters turn up at his swimming lesson and make one very big SPLASH...Packed with colour illustrations, comic strips, maps and speech bubbles, with an action-packed plot, to appeal to even the most reluctant reader.