Welcome @jaekrieldgx It is a rule of this forum for all new members to properly introduce themselves, so, if you plan to stick around, please click the link below and tell us about yourself and any experience you may have in magick, such as what you practice, how long you have practiced, areas of interest, etc:
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Yes, S. Ben Qayin and BALG have parted ways, and that is why the book is no longer available.