What would you do if you woke up one day to find that your best friend has become your worst enemy?That's exactly what happens to 11-year-old Ryan in this brand-new comedy adventure from bestselling author, comedian, and presenter Danny Wallace, perfect for readers age 8+ and fans of Stephen Mangan, Andy Griffiths, Jenny Pearson, Helen Rutter, David Walliams and David Baddiel. Separated only by a garden fence, Ryan and Tom have been best friends since they were two years old. But while Ryan is looking forward to starting secondary school together, Tom doesn't seem to want anything to do him with anymore. Suddenly, he’d rather hang out with mean Minnie and horrible Simon! Ryan sets out to repair their friendship . . . but everything he tries backfires spectacularly. So Ryan decides that there’s only one thing for it – he must exact terrible revenge on his ex-best friend. Cue: Operation Evil Genius. There’s only one problem… every time Ryan tries to make Tom look BAD, he ends up looking GOOD. As it turns out, Ryan is terrible at being terrible! Don’t miss this hilarious and heart-warming comedy adventure about the magic of true friendship from the bestselling author of The Day the Screens Went Blank. Fully illustrated throughout by Gemma Correll.  From the author of highly acclaimed adult bestsellers YES MAN, JOIN ME and the eagerly anticipated SOMEBODY TOLD ME.Other books by Danny Wallace:The Boss of Everyone The Luckiest Kid in the World The Day the Screens Went Blank Hamish and the Worldstoppers Hamish and the Neverpeople Hamish and the Gravity Burp Hamish and the Baby Boom Hamish and the Terrible Terrible Christmas and Other Stories Hamish and the Monster PatrolPraise for The Day the Screens Went Blank: 'So funny' Noel Fielding 'Brilliantly funny' Shappi Khorsandi 'Hilarious' Tim Minchin 'Warm and funny' Frank Cottrell-Boyce