Fantastically funny Wilf was shortlisted for the Laugh Out Loud Book Awards!Meet Wilf. He worries about everything. He is a Mighty Worrier. And now the most evil man in the world is determined to takeover from the very beginning of time...Things Wilf was worried about before: 1. Sleepovers.2. Skeletons.3. Being squashed flat. Things Wilf is worried about now:4. The most evil man in the world.5. Anyone called Alan.6. Alan building a time machine and becoming ruler of the dinosaurs. Alan is Wilf's self-styled evil lunatic next-door-neighbour. He has a grumpy robot sidekick and a silent right-hand-dog, Kevin Phillips. He is ridiculous. But when Alan decides to build a time machine and travel back to prehistoric Earth, Wilf knows he will have to overcome his fears and anxieties to save his new dinosaur friends...Join Wilf for a fantastically funny adventure, illustrated throughout by Jamie Littler!