I think the front cover alone describes what a neat and fascinating book Sabertooth is. Sabertooth by Patrick O’Brien is about many different prehistoric animals but mainly stars the Sabertooth Tiger and its descendents. In this short, but informative book readers can learn about the animal’s teeth, when they lived, what they may have looked like, what they may have eaten and where many of their bones have been found. It was a very interesting book and I learned in prehistoric days there were rodents that were bigger than cows! (This shows that I definitely could never have been a cave woman!) This is a short book that reads like a picture book and is a great resource to use to introduce children to the wonderful world of nonfiction.