00265nam a22001097a 4500020001500000082001400015100002100029245003500050260003800085300001100123650002100134  a0425050173  a613.7 REA  aDigest, reader's  aKeeping Fit /cReader's Digest  aNew York :bBerkley Books,c1981.  a262 p.  aPhysical fitness