Redsn0w 0.9.10b4 released to fix iBooks issue
A while ago, Corona 1.0-5 was released to fix iBooks issues on jailbroken 5.0.1 devices. MuscleNerd has now released Redsn0w 0.9.10b4 with the same fix. For users who are already jailbroken, just run the new version over the top of your current jailbreak but be sure to uncheck the "Install Cydia" option so as not to corrupt your jailbreak. For those who are on a factory 5.0.1 firmware, simply us our Redsn0w 0.9.10b4 tutorial to jailbreak and iBooks will work right off the bat!