00871nam a22002537a 450000100040000000500170000400800420002102000150006304000230007805000180010108200110011910000400013024500580017025000400022826000400026830000350030849000180034350500080036152001470036952100200051652100200053665000220055665000390057896120230804154157.0 230717b        cb ||||| |||| 00| 0 eng d  a0525427007  aDLCcDLCdDLCbeng00aPZ7.G2933bWh00a813.541 aGeorge, Jean Craighead,d1919-2012.10aWho really killed Cock Robin?cJean Craighead George   aFirst Harper Trophy edition, 1992.   aNew York : bHarper Trophy,c1992.   a191 pages : ba map ; c20 cm.  aAn ecomystery  aU 
  aTwo ecology-conscious children try to trace the imbalances in the environment that might have caused the death of the town's best-known robin.  a830 
bLexile 
  aU 
bRaz-Plus 
 1aEcologyxFiction. 1aEnvironmental protectionxFiction.