Having trouble with some pesky rivals or figuring out how long certain units may last against high level defenses? Well fret no more! Pocket Gamer has released their own guide for Clash of Clans, and it's totally free.
The Pocket Gamer Guide to Clash of Clans covers just about anything you'd want: from beginner's basics to intricate strategies. It also includes comprehensive break downs of troops, heroes, spells, buildings, resources, and defenses, as well as a plethora of general tips and tricks to take advantage of.
If you're neck-deep in all things Clans, Pocket Gamer's guide will probably be of use to you.