00578    a2200181   4500001000700000020001800007020003000025020003600055041000800091100002100099250002800120300001100148490002800159830002800187040002500215245012600240260003000366116086  a9780545156639  a9780792278894 (hardcover)  a9780792278900 (library binding)  apor  aAllen, Thomas B.  aScholastic bk. Club ed.  a191 p.  aLiteracy place: level W  aLiteracy place: level W  aBR-BrIDEAcBR-BrIDEA10aHarriet Tubman, secret agentbhow daring slaves and free Blacks spied for the Union during the Civil Warc Thomas B Allen  bNational Geographicc2006