The leaders in Africa wanted guns but the
slaves themselves wanted guns to protect
themselves from being captured and sold into slavery. All the guns were being sold by EU and Americas.
In order to truly understand an event - whether personal or historical - it is necessary to look at it from multiple perspectives.
Just like you cannot understand history from just one book, you need to ask multiple persons to help you with your personal event.
I have the book just take a picture and I'll help