Those who have the PDF already know about the amazing art throughout the book and in the chapter headings. For fun, I went through and organized the chapter headings into a timeline, thus:
p. 149
p. 125
p. 115
p. 37
p. 129
p. 82
p. 22
p. 144
p. 116
p. 35
p. 60
p. 26
p. 163
p. 179
p. 21
p. 109
p. 104
p. 106
p. 76
p. 42
p. 30
p. 63
p. 132
p. 67
p. 4
p. 86
p. 14
p. 111
p. 10
p. 58
p. 101
Whew! It’s open to some interpretation, but I think that tells a nice story.