Oh, what a Grumpycorn! A must-have unicorn picture book treat from the bestselling,award-winning Sarah McIntyre. Unicorn wants to write the most fabulous story in the world. He hasa fancy notebook. A special fluffy pen. He has everything justperfect. But Unicorn has NO IDEA what to write! When his friends try to join in, will Unicorn turn into a ... GRUMPYCORN? A funny and feisty picture book celebrating teamwork, friendshipand the joys of storytelling.