00448nam a2200181Ia 4500008004100000020001400041050001400055100001900069245002600088245004900114260001500163260002100178260000900199300001500208300002000223300001000243300001300253170918s9999    xx            000 0 und d  a68982677x  bW742 1999  aWillson, Sarah 4aThe perfect formula /  cby Sarah Willson ; illustrated by Mel Grant.  aNew York :  bSimon Spotlight,  c1999  a60 pages :  billustrations :  c20cm.  eRugrats.