"One of the leading German China experts."
- DIE ZEIT
"Sieren has initiated a long-overdue debate."
- Stern
"Sieren is someone who proceeds after me to explain the world without daunt. "
- Peter Scholl-Latour
"Sieren succeeds in closing a gap in the German-speaking region."
- Deutschlandfunk
"Sieren stands out pleasantly from the competition."
- Financial Times Deutschland
"A brilliant book - captivating and at the same time rich in facts."
- Süddeutsche Zeitung
"Everyone who bears responsibility in the West should take note of this book."
- FAZ
"Sieren sharpens the mind."
- Deutschland Radio Kultur
"Sieren has written a big book."
- Maybritt Illner, ZDF
"A leading China expert in Germany."
- London Times
"A remarkable book that should arouse Germany."
- Handelsblatt on „Der China Schock“
"Very enlightening, exciting to read - even for business people."
- DER SPIEGEL
"This book is a must read."
- Helmut Schmidt
"Must read."
- Helmut Markwort, FOCUS
"Sieren causes a stir with his new book."
- BILD
"An exciting book."
- Neue Züricher Zeitung
"Sieren has written a highly knowledgeable book."
- SWR on "Der China Schock"
"Rewarding read."
- WDR on "Der China Schock”
"A book worth reading."
- WIRTSCHAFTSWOCHE
"A very recommendable book."
- Das PARLAMENT

- Das PARLAMENT