@article{231552,
      url = {http://library.usi.edu/record/231552},
      title = {The ancient mystery of tangrams : 500 magnetic variations  on the world's classic puzzle.},
      publisher = {Running Press,},
      abstract = {"Puzzle power! Includes seven magnetic classic tangram  shapes, a sturdy fold-out magnetic solving board, strategy  tips and an introduction to the history of tangram, a  complete answer key."},
      recid = {231552},
      pages = {88 p. :},
      address = {Philadelphia :},
      year = {2000},
}