Well the game is finally here for the UK... I've played it and I'm still reeling from the awesomeness (or scariness), of the Scarecrow...

Anyway, also release alongside the game was the Batman: Arkham Asylum strategy guide from Bradygames.

This 223 page guide has everything you need to help you though the game, but I must stress you play the game first as it is full of spoilers.

Become the Invisible Predator!
The Joker has wrestled control of Arkham Asylum from the guards and now the inmates are literally running the asylum. Only one person can bring back the sanity to Gotham City--Batman.
Although outnumbered, Batman has the advantage with an incredible selection of gadgets courtesy of Waynetech. Using these top-notch weapons and his fear takedowns, Batman plans to foil The Joker’s demented scheme.

Boss Tactics & Comprehensive Walkthrough
Use our game-tested strategies and tips to regain control of Arkham Asylum from The Joker and the inmates. Using an arsenal of Waynetech weapons, this guide shows you how to incapacitate The Joker’s minions and defeat every boss.

Solve the Riddler’s Challenges
There are 240 separate Riddler Challenges to decipher. There are trophies to find, tapes to uncover, riddles to solve, and more. We’ll show you how to find every last one of them!

Unlock Every Hero & Villain Bio
Discover what it takes to unlock every character bio in the game. Learn about each character’s attributes, motivations, and connections to Batman.

Explore Challenge Mode
Overview of every Challenge Mode map, including specific tips and hints for completing each mode.

Exclusive Foldout
Get the lowdown on the game’s Achievements and Trophies. The foldout includes specific strategies to master some of the game’s toughest feats.

For a 14 page preview click here to download...

(Source - Bradygames.com)