Because the Kitab al-Bulhan is a priceless historical artifact, it is not available as a standard commercial eBook. However, several academic institutions provide free access to high-resolution scans:
The , or the Book of Surprises , is one of the most mesmerizing manuscripts from the medieval Islamic world, serving as a comprehensive compendium of folk magic, astrology, and divination. Dating back to the late 14th century, this Arabic manuscript—attributed primarily to Abd al-Hasan Al-Isfahani —is famous for its vivid, full-page illustrations depicting astrological signs, demonic entities, and mythological scenes. kitab albulhan pdf link
It contains detailed depictions of the zodiac signs and the "decans" (sub-divisions of the signs). Because the Kitab al-Bulhan is a priceless historical
This is the primary source. You can browse the entire manuscript, page by page, through their Digital Bodleian portal. It contains detailed depictions of the zodiac signs