Memories of the great Russian explorer, scholar, and public figure Pyotr Petrovich Semyonov-Tyan-Shansky—who told in a simple, vivid, and captivating way how he was able to, in fact, be among the first Europeans to penetrate deep into the Tien Shan, to map ranges of the Tien Shan that had been unknown to Europeans, to study Lake Issyk-Kul, to discover the Syr Darya River, and to see and examine the animal and plant world of the Near, Middle, Central, and North-Eastern Asia.