Ten terrible dinosaurs standing in a line soon began to mess about until there were . . . nine.Paul Sticklands Ten Terrible Dinosaurs is a lively counting book first published in 1997 and now reissued based on the characters from Dinosaur Roar! a picture book that is now recognized as a modern classic. The rhyming text encourages children to join in helping them to learn their numbers as they count down from ten to one ending with a wonderful loud ROAR!