The book is in both Spanish, and English .I found a preview of that book on Google last night but couldn't find it in print for sale anywhere. I will have to check the library and see; or if they have an English translation available.
There is an aquarium book vender, that shows up at a lot of the aquarium society auctions, swap meets and the like named Mike Schadle that may be a source.
I used to see him at many Milwaukee and Chicago aquarium and cichlid association functions.






