Rock It Sock It Number Line Author:Bill Martin, Michael Sampson A fabulous new counting book from Bill Martin, Jr. — Rock it, Sock it, — Number Line! — Numbers and Veggies, — Party Time! — 1 rockets — through the sky, — and parachutes down — with a pumpkin pie. — The numbers are having a party in the vegetable garden! Bouncy rhymes and bold, bright art ma... more »ke for a lively and delicious introduction to counting. In Rock It, Sock It, Number Line, acclaimed author and language specialist Bill Martin, Jr. does for numbers what he did for the alphabet in his classic Chicka Chicka Boom Boom.« less