Don't bother, just use the console. Help the Black Knight or the Paladin find the code. Those with black knights are dark knights and those with paladins are paladins.

The book is a spell book of transformation skills, which is obtained with playeradditem xxxx 1 Amor's code is transformed clothes, obtained by Player. Address XXXX 1. It may not be displayed in the equipment item bar. You can enter the clothes code directly. The spell code is the transformation skill code, and you can use player.addspell xxxx to obtain skills directly.