The Extincts (reissue) by Veronica Cossanteli
George loves to help out at hidden Wormestall Farm, even though it's full of extinctly scary creatures, like the dodo in the dog bed and the dinosaurs in the duck pond. When Mortifer the giant basilisk goes missing, it's up to George to find him before wicked taxidermist Diamond Pye can add him to her stuffed animal collection ...