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-