This book is for the memory of Liang Sicheng on the year hes passed away for 40 years. It has four family albums of Liang Sicheng, articles written by Liang Sicheng, homework hes done at University of Pennsylvania, and some of the letters Liang Sicheng exchanged with his wife during his later years. Some photos, letters and hand drawings in the book are revealed to the public for the first time. From these photos, drawings and letters, we can see another aspect of Liang Sicheng.