In Nishapur, long after Al-Qushayri had left this world, a young student named Zayd sat hunched over a dim oil lamp. Before him lay a worn manuscript — a copy of Al-Risala al-Qushayriyya . Its leather cover was cracked, its pages the color of autumn leaves.
You can find digital versions and translations of the text through these scholarly archives: Arabic Original : Available for viewing and download on the Internet Archive English Translation Al-risala Al-qushayriyya Pdf Arabic
You can access several versions of the original Arabic text and scholarly translations online: Original Arabic Text (Internet Archive) : A complete digitized version of the Arabic treatise al-Risalah al-Qushayriyah fi ilm al-tasawwuf is available for free download. Scholarly English Translation (Alexander Knysh) : For a "deep paper" context, the translation by Professor Alexander D. Knysh Al-Risala Al-Qushayriyya: A Comprehensive Guide to Sufism