000			00852nam a2200265Ia 4500
008			171120s9999 xx 000 0 und d
020			_a895773538
050			_a600
050			_bH847 1990
245			_aHow in the world ? /
260			_aNew York :
260			_bReader's Digest,
260			_c1990
300			_a448 pages :
300			_billustrations ;
300			_c28cm.
500			_aSummary : Learn how recycling works; masterpieces are restored; the Great Pyramid was built; Mount Rushmore was carved; handwriting experts catch criminals; a rabbit is pulled from a hat. This fascinating reference includes 425 explanation.
650			_aCuriosities and wonders.
650			_aMedicine --
650			_aScience --
650			_aTechnology --
650			_xMiscellanea.
650			_xMiscellanea.
650			_xMiscellanea.
999			_c345036 _d345036