There are different kinds of people out there. Some of them don't care too much about the type of product they own, others want the first editions or the deluxe, master's, or collector's editions. These additional denominations depend greatly on the type of product.
If you became a fan of the Fairy Tail story through either the game or the anime, then you might want to read the manga as well. One of the best ways to do this is by getting the paperback version of the "Fairy Tail: Master's Edition," and specifically its first volume.
This book contains the first 5 volumes of the Fairy Tail manga story. This is a great product to get mostly because of what you get for your money.
The story revolves around Lucy who wants to join "Fairy Tail," a powerful organization for wizards. However, she meets Natsu whose companion is a cat that can talk.