The problem with this book is that it roughly spends the same space for all the cables it describes, no matter how easy/difficult they are.
So you start off with really basic left or right-leaning cables and get about a page about it that contains the chart and some short explanation. There are even some cables that are almost the same except for the number of stitches, yet each of them gets a new page/chart/explanation.
Then the more complex ones start and they also only have the chart and a basic explanation. Suddenly you have huge charts and only a few sentences about them.
There are some cool cables in this book and I definitely will use some of them but the book had given me the impression that it would contain information about designing my own cables or, at least, adapting existing stitch-patterns and there wasn't much of that in the book.
94 cable patterns sound like a lot but, as said, that the first chapter contains a lot of very similar cables. And, considering it also doesn't go that much into depth you're probably better off with a cable-stitch dictionary.