More disgusting than ever, with crazier plans and increasingly madcap schemes, Bertie continues to delight his legions of fans who revel in his revolting ways. In Dinosaur! (Book 20 in the Dirty Bertie series) join Bertie as he takes Angela Nicely on a dinosaur hunt, bites off more than he can chew at the Easter fair, and gets into an alarming situation pet-sitting next door's cat!