If one were to try to make a judgement on whether to buy a copy of this book based one one or two images in the book, I'd recommend looking at the photos on page 423 and then 424:

https://www.wolframscience.com/nks/p423--biological-pigmenta...

...then you could start to read the on-line version to see if Stephen Wolfram's writing style rubbed you the wrong way.