00371nam a2200145Ia 4500008004100000082002100041100001700062245002700079260002400106365000700130600001700137630002700154700001700181730002700198110201s9999    xx            000 0 und d  bB10775aBAL 2460  aRay Navakala  aThe Clock How it Works  bChildren Book Trust  b71  aRay Navakala  aThe Clock How it Works  aRay Navakala  aThe Clock How it Works