I am doing the quest Discerning the transmundane, its for the the book that gives you the skill perk http://www.uesp.net/wiki/Skyrim:Oghma_Infinium,I am looking for the bug, cheat where I can use it twice.I

Read this: http://elderscrolls.wikia.com/wiki/Oghma_Infinium_%28Skyrim%29#Exploit

Both wikis claim this exploit has has been eliminated by v1.6 but a number of forum members claim it still works.

ok thanks I would only like to use it to up my stealth and combat.