You can find a translated version of the text hosted on the Internet Archive which provides the core spiritual teachings.
The (specifically Sirrul Jalil fii Khawashi Hasbunallah wa Ni'mal Wakil ) is a classical Sufi text authored by Syaikh Abul Hasan Asy-Syadzili , the founder of the Shadhiliyya Sufi order. Kitab Sirrul Jalil Makna Pesantren Pdf
If you are looking for physical copies or digital versions, you can find the at retailers like: You can find a translated version of the