00420nam a22001337a 4500020001800000082002300018100002300041245009200064260004100156300002700197490001900224650002500243700001800268  a0-439-20213-2  aRef. 608 D424 20011 aDeprisco, Dorothea10aInventions & great ideas /cDorothea Deprisco ; interior illustrations by Robert Roper.  aNew York :bScholastic Inc.,cc2001.  a53 p. :bill. ; 17 cm.  a(Know-it-All).14aInventionsvHistory.1 aRoper, Robert