Time travel fridge, tome 5, super agent jon le bon

Life at the Agency is back to normal. Martha hasn't heard from Big Beaver, the agents are dressing up for the Halloween party and WXT is in awe of Agent S. And what about Jon Le Bon? Oh, right, he's travelling back through time. Back to the Stone Age, over 200,000 years ago, where he talks to the dinosaurs, befriends a strange tribe of blue elephants and tries to find the president's daughter and a mysterious creature called the Entity...