The Grunt and the Grouch, Tracey Corderoy‘s funny story of two rude trolls, has been selected for Waterstone’s 3 for 2 promotion and is also now on sale in M&S. The picture book, published in March by Little Tiger Press has a spin-off young fiction series, the first and second of which were also out in March: The Grunt and the Grouch – Pick ‘n’ Mix and The Grunt and the Grouch – Beastly Feast.