You may be thinking of (مفيد الطالبين) — a Persian or Arabic work on Islamic spirituality, possibly by a Sufi scholar. No reliable English translation exists freely online under that title. Closest available texts include:
The book is widely attributed to scholars from the Tayyabi Ismaili tradition, with some sections linked to Syedi Hassan Feer (also known as Syedi Hasanji Badshah). Over centuries, it has been compiled, commented upon, and preserved by the Dawoodi Bohra community’s Ilm (knowledge) apparatus.
Many Darul Ulooms (Islamic seminaries) have digitized their internal English translations for students. While they are not public, you can often request access via email. Write a polite request to libraries such as:
Sometimes, a specific text is simply not yet freely available in English. In that case, consider these alternatives:
For many believers, this book acts as a spiritual compass. Unlike heavy theological tomes, it is written in a simple, accessible style—originally intended for common believers, not just scholars.