ABSTRACT Firdaus, Muhammad Farhan. (2023). Developing an English Flipbook to Increase Speaking Skill of Borobudur World Heritage Museum and Cultural Heritage Staffs. Undergraduate Thesis. English Education Department. Faculty of Education and Teacher Training, Universitas Tidar. Advisor I Prof. Dr. Sukarno, M.Si, Advisor II Boris Ramadhika, M.Pd. Keywords: Flipbook, speaking skills, World H…