--am us  eng
++000    00000nam a2200000 a 4500
++020    |a9780448445403
++090    |a920 POL
++100 1  |aHolub, Joan
++245 10 |aWho was Marco Polo ? /|cby Joan Holub ; ill. by John O'Brien
++250    |a1st ed.
++260    |aNew York:|bGrosset & Dunlap,|c2007.
++300    |a105 p.:|bill.;|c20 cm.
++440    |aWho Was...?
++650    |aExplorers Italy Biography Juvenile Literature
++650    |aPolo, Marco, 1254-1323? Juvenile Literature
++650    |aTravel, Medieval Juvenile Literature
++700 1  |aO'Brien, John, 1953-