000 00771nam a2200169Ia 4500
020 _a9780716622703
040 _cPKLaCSN
082 _a500
_bCHI
245 0 _aChildcraft
_bhow does it happen?
_heng
260 _c1979
_bWorld Book, Inc
_aChicago, IL
300 _a192
490 _aHow and why library
520 _aVol. 1--Poems and Rhymes, Vol. 2-Once Upon a Time, Vol. 3--Art Around Us, Vol. 4--The World of Animals, Vol. 5--The World of Plants, Vol. 6--Our Earth, Vol. 7--The Universe, Vol. 8--How Does It Happen?, Vol. 9--How Things Work, Vol. 10--Shapes and Numbers, Vol. 11--About You, Vol. 12--Who We Are, Vol. 13--See the World, Vol. 14--Celebrate!, Vol. 15--Guide and Index
942 _cBK
999 _c824828
_d824805