Sabre-Twooth Ruth by Mark Schmidt is the second book in this series! First birthday, Ruth turns two; then four. Her cakes all have a crazy score! Cause Mathamanimls aren't the same in the Crazy Birthday Candle game! When Ruth turns two, she gets two teeth. Next year, two teeth push from beneath. The old two teeth fall to the ground. They disappear! Will they be found? You will find out, but Ruth will yelp, "Where are my teeth!?" Ruth...