8df2993edef61a4d7b8f550ed932246455f3651b  all.wd
32a2d64b8f5b097a903d63aa408c3f19d252a0d9  preface.wd
373f4a9958b9e5556e06aaa318c5d476f182f9ee  chapter1.wd
9e621b536d10060f0bc9038464c7cbfedee0d97a  chapter2.wd
254e2c5dc662a4b688996527d221bc2a671a828a  chapter3.wd
6ea834549675360f05982924c50f0da4a3a15e4a  chapter4.wd
95a31e865011a1ba5aa7b4966806466aa4ea6875  chapter5.wd
8b388ad0f78145a3e9602566db75c5e8313e207f  chapter6.wd
581bea110d332a4a466d1f97cef66bb46c4231b6  chapter7.wd
09569551e446727a5c5339c77bd419fd67d40de4  chapter8.wd
0780774136cc1bd4657b0f29cfc0441d15c36f6f  postface.wd