Pinczes, Elinor J. creator New York 1st. ed. 32 p. 5 x 0.09 x 8 inches (hardcover) One hundred hungry ants march off single file to sample a picnic, but when the going gets too slow, they divide into two rows of fifty, then four rows of twenty . . . until they take so long that the picnic is gone! Math Operations Children's Literature Picnics Math for kids 9780329556761 122677