00389nam a2200169Ia 4500008004100000020001800041050001400059100000900073245003900082245001200121260001500133260001600148260000900164300001600173300002000189300001000209170918s9999    xx            000 0 und d  a9780439523554  bA957 1940  aAvi.  aWho was that masked man, anyway? /  cby Avi.  aNew York :  bScholastic,  c1940  a170 pages :  billustrations :  c19cm.