the best books for classical education in each category. Another important book summarizing the history and philosophy of classical education is the Liberal Arts Tradition: A Philosophy of Christian Classical Education by Kevin Clark and Ravi Jain. Written by two veteran teachers from a classical school in Orlando, Florida, the book describes the ways in which the classical curriculum of the liberal arts developed and was deployed throughout the centuries. The authors present an overview of the classical liberals using the paradigm of piety, gymnastic, music, the seven liberal arts, philosophy, and theology using the acrostic PGMAPT. Mortimer Adler and Robert Hutchins, both of the University of Chicago set forth in the 1930s to restore the "Great Books" of Western civilization to center stage in the curriculum. Adler and Hutchins sought to expand on the standard "classics" by including more modern works and trying to tie them together in the context of what they described as the "Great Ideas", in their book Great Books of the Western World. They were wildly popular during the 1950s, and discussion groups of aficionados were found all over the US. However, their popularity waned during the 1960s, and such groups are relatively hard to find today. Extensions to the original set are still being published, encompassing selections from both current and older works which extend the "great ideas" into the present age. Classical Christian education These schools tend to rely upon one or more of the visions of classical education represented by Dorothy Sayers' essay "The Lost Tools of Learning", Mortimer Adler's Paideia Proposal, Alfred North Whitehead's The Aims of Education, or Susan Wise Bauer's The Well Trained Mind. Classical Christian schools vary in their approach to the sectarian integration of Christian thinking. Some schools ask parents to sign a statement of faith before attending, some do not require this of parents but are clear in their sectarian teaching, others are consciously ecumenical. Classical languages A more traditional view of classical education arises from the ideology of the Renaissance, advocating an education grounded in the languages and literatures of Greece and Rome. The lengthy, rigorous training period required to learn Greek and Latin has been abandoned by most American schools in favor of more contemporary subjects. The revival of "classical education" has resulted in Latin (and less often Greek) being taught at classical schools. The Association of Classical and Christian Schools requires Latin for