If you plan on keeping a tropical fish tank, then you have to understand that there's more to know about these fishes than their name and how it looks like.
Just like keeping any other type of pets, you'll have to know that you have enough knowledge to keep them alive.
Maintaining and caring for your fish tank, the various type of species, habitat of these fishes as well as the ability to live together are all vital knowledge that you should know when keeping a tropical fish.
Then you'll also need to know what you should be feeding them and should not, this is where getting help from tropical fish guide books comes in because generally they will give you the best information on how to make sure that you're caring for your fish the right way.
The first place you should be getting a guide book is probably from where you get your fish, as they will usually sell breed related type of guide book for you.
There should be plenty of stores around you that are selling it as tropical fish breeding is quite a popular hobby among fish enthusiast, however there are some breed which is less popular, therefore you'll need to dig deeper to find more information about them.
Another good place that you can find guide books about caring for your tropical fishes are from your local bookstore, typically they'll be located either under the hobby section or the pet section.
Do bear in mind that you can seek help from them to order the book if they're currently not carrying it in store, as they have a wide network with publishers and other bookstore, chances are high that you get just the book you're looking for.
Alternatively, you can also look online for information and books regarding your tropical fish.
Since the introduction of search engine, many smaller sites have sprung up on the internet and offers excellent tips and information about caring for your fish, there are also online booksellers like Amazon to help you in selecting the perfect guide book.