In the gloom of the room, a fully dressed man lies on the sofa. The next morning, the TV comes on and - ugh! - ! up lurches a thirsty and very hungover caterpillar. From the bestselling authors of We're Going on a Bar Hunt, comes another hilarious parody of a much-loved children's book. This time, we follow the quest of one man as he attempts to shake off his hangover, through eating whatever he can get his hands on, and annoying his family in the process. The perfect book for anyone who fondly remembers the original, but has now grown up and knows all too well just how painful hungover days can be ...