00709nam a22002057a 4500001000500000005001700005020001800022040003100040050001500071082000800086100001600094245008600110250004000196260004200236300002400278520015100302521001700453650001300470700002000483320020240229151347.0  a9780545069397  aFISKHbengcFISKH dFISKH   aPZ7.M18995  aFic  aMack. Tracy  aSherlock Homes : band the baker street irregulars cTracy Mack & Michael Citrin   aFirst paperback edition, April 2009  aNew York : bOrchard Books :c2009 :   a255 pages : c20 cm  aThe ragamuffin boys known as the Baker Street Irregulars help Sherlock Holmes solve the mysterious deaths of a family of circus tightrope walkers.  a850 bLexile  aMystery   aCitrin. Michael