00640cam a2200205 4500 1147878239 TxAuBib ||||||s2010||||||||||||||||||||||||und|u 9780545589192 0545589193 TxAuBib Urbanvoic, Jackie. Ducks in a Row. 1st Edition. New York, New York : HarperCollins, 2010. 32 pages : color illustrations ; 24 cm. Ducks -- Juvenile fiction Helping behavior -- Juvenile fiction Picture books for children.