Ibn Taymiyyah (1263–1328) was a controversial yet highly influential medieval Sunni Islamic scholar, theologian, and logician. His works span various Islamic sciences, addressing theology, jurisprudence, ethics, and social issues. This comprehensive collection, meticulously compiled by Mohammed bin Riyadh Al-Ahmad, gathers selected epistles and treatises (risalahs) by Sheikh Al-Islam Ibn Taymiyyah. These valuable texts offer profound insights into his intellectual legacy and robust methodology in responding to the challenges of his era. Readers will find deep theological discussions, jurisprudential rulings, and refutations of various philosophical and sectarian ideas, making it an essential resource for students and scholars of Islamic thought.