Be cautious of files that require an "installer" or are suspiciously small (under 10MB) or large (over 500MB) for a single guidebook. Real scanlation zips should contain image files (JPG/PNG).
Legitimate fan-translated "zips" are common in the community, but they are often hosted on sites filled with aggressive ads. Download Fairy Tail Inside zip
Detailed stats and background info on members of the Fairy Tail guild and their rivals. Be cautious of files that require an "installer"
Q&A sessions with Hiro Mashima regarding plot points and world-building. Download Fairy Tail Inside zip