000 00292nam a22001217a 4500
020 _a9780749674809
100 _aRichard Platt
245 _aMedievals (How They Made Things Work)
260 _bFranklin Watts
_cJanuary 1, 2009
300 _a32p; Hardbound
650 _aHistory
942 _cBK
_01
999 _c7795
_d7795