As you may have heard, Apple is beginning to get petty with their fight against the jailbreak community.
The latest strategy taken on by Apple is to prevent you from reading the books you purchased on iBooks if it detects a jailbroken iPhone.
@Comex responded first with his hilariously named "Hunnypot" solution, and now the Chronic Dev team has followed suit with the release of GreenPois0n RC 6.1...