Siegfried Antonio Effenberger
Siegfried Antonio Effenberger has written at least 1 book. Their most popular book is Perry Rhodan - Ahandaba with 1 save with an average rating of -⭐.
Authorship percentage indicates primary author status - excluding introductions, forewards and other contributions.
Series
5 primary books175 released booksAuthored 0% of series
Perry Rhodan
Perry Rhodan is a 175-book series with 175 released primary works first released in 1961 with contributions by K.H. Scheer, Kurt Mahr, and Clark Darlton.
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Series
1 primary bookAuthored 0% of series
Der Sternenozean
Der Sternenozean is a 1-book series first released in 2005 .
Series
1 primary bookAuthored 0% of series
Sternenozean-Hörspiele
Sternenozean-Hörspiele is a 1-book series first released in 2005 .