This is a collection of funny English signs from all over the world. It's quite a small book - small format, large photos.
The author and me really don't seem to be on the same wavelength. Some of the signs are very funny all right, but many I didn't find funny at all.
I also found it annoying how the author had tried to divide the book into thematic chapters, but proved totally unable to. Again and again, I opened a new chapter and watched in amazement how most of the signs in that chapter were in no way connected to the chapter's title.
In other words, both the selection of material and the structure of the book are extremely amateurish. My guess is that you'll find much better stuff when you spend 20 minutes with Google image search or something.