Tweens Read: The Pushcart War for grades 4-6 will be held at the Yellow Springs Community Library on Wed., Mar. 8, from 3-4 p.m. The Pushcart War by Jean Merrill. New York City and the small local vendors are being over run by huge delivery trucks. The Pushcart Vendors have declared war! Pick up your copy of this humorous classic at the desk, read it and come back for discussion, snacks and games.