Timothy Bauscher d5b175d822 Added missing part4.xml. 23 lat temu
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book.xml fa7b512907 applied Alex' 'further dividing the book' patch 23 lat temu
part1.xml b5b9707682 changed ref's like &chapter1; to &chapter01; 23 lat temu
part2.xml fa7b512907 applied Alex' 'further dividing the book' patch 23 lat temu
part3.xml fa7b512907 applied Alex' 'further dividing the book' patch 23 lat temu
part4.xml d5b175d822 Added missing part4.xml. 23 lat temu