Scott Hartman posted a killer pick of a Deinonychus on his Twitter page.
Click the picture above to see the whole thing. For more great dinosaur art, check out Scott's Twitter page and his Skeletal Drawing site.
Spoiler alert: A pack of Deinonychus show up in THE DINOSAUR FOUR. It takes a hefty weapon to fend them off.
Geoff Jones is the author of the sci-fi thriller