ERAMIR Book of Reform

I accidentally received the Book of Reform from a quest reward and I don't want to use it giving up 2 skill points. but now I have the book in my bag inventory and can not get rid of it.

how do I unload this book or reset the quest or something else if I don't want to use it?

im not wanting to give up the 2 skill points or carry this book until next skill tree reset.

sorry I don't know how to attach the image.

Vendor it.