献给愿意在抽象概念中寻找统一结构的数学学习者：从局部化到除子理论，逐章建立完整视野。
Love, Theoretically
Sense and Sensibility (Macmillian Collector's Library)
How To Understand Art (Art Essentials)
Charles Darwin (Pequeña & Grande)
Two Sides
Physics: A Very Short Introduction (Very Short Introductions)
