There are several ways to buy the regular edition of Rider of the Black Sun:
Order at any local bookseller, using the ISBN 978-3961880812.
Click an online bookseller, like amazon.
Directly at publisher Mantikore’s webshop, the Manti Shop. (We would be very happy if you use this opportunity, because we earn the most this way.)
If you want the Eternal Edition, you have no choice than to order directly from Manti-Shop, because this special edition is only available there.
Important: If you use the Manti-Shop, please make sure to set the shop to English by clicking the German flag and select the Union Jack. Then select Gamebooks or search for Rider of the Black Sun.