This monograph provides information about the basics of Islamic jurisprudence, its role in Islamic science, the importance of the scientific heritage of Husamuddin al-Akhsikathi, the contribution of «Al-Muntakhab al-Husami»to the Fergana school of jurisprudence. The book also examines the scientific environment during the scholar's lifetime, commentaries on the scholarly legacy of Husamuddin al-Akhsikathi, and the copies preserved in the World Manuscripts Fund today, among others. The appendix to the monograph includes the Arabic text of "Al-Muntakhab al-Husami".