Welcome to the forum!
There’s a great book on the 7 Djinn Kings called Practical Jinn Magick by Corwin Hargrove - check that out, it tells you how to call them as well.
After that, please do make your next post your Introduction here, which we need per the forum rules and see our posting guidelines in the FAQ.
Points to cover:
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Do you have any practical experience in magick?
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If so, what exactly do you practice and how long have you practiced?
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Do you follow any specific system or tradition?
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What are your areas of interest?
Here is a getting started with magick guide. You’ll want to get your spiritual hygiene sorted out, and start work on developing your astral senses, then when you can know you have a decent chance at avoiding impostors and parasites then try the evocation guides we have on here.