As for the other things, STO Mastery contains the following:

• Ship guide
• Professions guide
• Missions / Leveling guide
• Skills & abilities guide
• Bridge Officers guide
• Equipment guide

… and more. The content mentioned is just the most interesting part, but there is plenty of more info about kits, combat strategies, accolades and many other subjects. In short, as far as all-in-one strategy guides go Star Trek Online Mastery is the best guide out there, and considering the competition it’s the most detailed Star Trek guide and a bargain.

I highly recommend you to get STO Mastery today as it will definitely help you understand much of the game.