One of the 18th century's greatest mathematicians delivered these lectures at a training school for teachers. An exemplar among elementary expositions, they com

French photographer Frédéric Lagrange began taking pictures of Mongolia in 2001. Since then, he has taken 12 trips to the country over the course of 15 years,

Focusing on basics of algebraic theory, this text presents detailed explanations of integral functions, permutations, and groups as well as Lagrange and Galois

The Wide syndrome It is the not-too-distant future. The space colony Lagrangia, on the moon's orbit, is an idyllic utopia of parks, mountains, streams and blue

In this compilation of retreat talks, the beloved Fr. Garrigou-Lagrange gives a blueprint for progress in the spiritual life.