00347nam a22001217a 45000050016000000200018000160370008000342450045000422600048000873000034001354900035001697000021002042011120801101.0  a9781593394264  bPUB  aNumbers /cillustrated by Carrie Hartman  aNew Delhi bEncyclopaedia Britannica c2008  aV10 (64p.) c25cm (Hb)bill.   a Britannica discovery library   aHartman, Carrie