00712nam a2200181 a 450000500170000000800410001702000150005805000220007310000180009524500910011325000060020426000350021052001830024565000380042865000370046665000090050370000180051220140414132106.0100902s19uu    xx            00    eng d  a0590403613  aM 628.1bC67 1986  aCole, Joanna.  aThe magic school bus at the waterworks /cby Joanna Cole ; illustrated by Bruce Degen.  a   aNew York :bScholastic,c1986.  aWhen Ms. Frizzle, the strangest teacher in school, takes her class on a field trip to the waterworks, everyone ends up experiencing the water purification system from the inside.  aWaterworksx Juvenile literature.  aHydrologyx Juvenile literature.  a x   a Degen, Bruce