"This book is a window for the international society to get access to the contemporary China and a key to the answers of issues concerning China," she said.

About 3.17 million books, including 2.95 million Chinese version copies and 225,000 copies in foreign languages, had been sold worldwide, making it one of the Chinese best-sellers in the international book markets, she said.

"It is believed that this book will provide useful knowledge for the Cambodian friends who are thinking of and exploring on China's successful story of economic and social development," the ambassador said.

Soeung Reth, a lecturer at the Royal School of Administration, said, "Xi's capable leadership, in combination with competent human capital, will lead China to a more prosperous society."

Chea Chheng, a student at the Royal School of Administration, said the book was useful for students, especially academics and policy makers, to better understand the Chinese governing policy and Xi's position on key issues.

"Xi's remarks on governance should be a model for countries to follow," he said, adding that he was interested in the book because he wanted to better understand China's development and foreign policy toward its neighbors.