You can find all of her details in the link in my reply 
She was created by me, so no she is not in a book Actually I’ll just link it again for you so you don’t have to scroll up.
Once again I’d be real careful with any spirit that will spend that much time with you, especially until you can better discern their intentions. We like to talk about how nice demons and angels are around here, but that is not true for everyone in every case, and if you can’t tell what you summoned there is no guarantee you got the demon you were after and not something else that just wants to use you for food.
Just advocating safety, it’s pretty important to learn how to banish anything you summon and how to deal with spirits pretending to be something they aren’t or who will walk all over you, it doesn’t happen all that often but it does happen, and we see a lot of people on here that don’t know what to do when it does.