Daisy's worst ever enemy Chloe is desperate to win back her friends so she announces she's going to have THE BEST SLEEPOVER IN THE WORLD. There's going to be a swim in a luxury pool, a special makeover for every guest, and a real live meeting with a social media superstar. All Chloe's old friends are invited, even Daisy's best friend Emily.

But Daisy is left out. Daisy's sister Lily is non-verbal but she's learned Makaton at her new special school. She signs to Daisy that she wants a sleepover.

Will family and friends somehow make Lily's party THE BEST SLEEPOVER IN THE WORLD? A moving look at friendship, sleepovers and siblings from the much loved, bestselling Jacqueline Wilson.