From the author of the unforgettable bestseller TIME TRAVELLING WITH A HAMSTER comes another surprising, beautiful and funny novel about a child who, by disappearing, will write herself into your heart forever...Turning invisible at will: it's one way of curing your acne. But far more drastic than 13 year-old Ethel Leatherhead intended when she tried a combination of untested medicines and a sunbed.It's fun at first, being invisible. And aided by her friend Boydy, she manages to keep her extraordinary ability secret. Or does she...?When one day the invisibility fails to wear off, Ethel is thrown into a nightmare of lies and deception as she struggles to keep herself safe, to find the remedy that will make her seen again - and solve the mystery of her own birth...Ross Welford's WHAT NOT TO DO IF YOU TURN INVISIBLE is a top, award-winning children's book that delves into the complexities of friendship and self-reliance. This humorous, action-filled adventure is a Sunday Times bestseller that has been long-listed for its engaging themes and compelling storytelling.For fans of R. J. Palacio (White Bird), Donna Barba Higuera (Alebrijes), Sharon M. Draper (Out of My Dreams), Jennifer L. Holm (Sunny Figures It Out), and Gennifer Choldenko (Mouse and His Dog).