No worries. But you should know, to reiterate, that pirated copies of the book can potentially contain incorrect information. Not to scaremonger, but this means that at best you won’t contact the entity at all, and at worst means you might find yourself beset by a parasite(s) in the form of an imposter.
The book is about $6 USD in Kindle/electronic format. If that’s beyond your means, searching the forum for money spells might help 
Demons of Magick also does not mention Lilith. However you might find this thread helpful:
I wish you the best on your journey 
@Muggie I have edited your post to remove mention of the site, in line with the forum rules. Hope you understand.