Sergio A. Sierra

Sergio A. Sierra

Sergio A. Sierra has written at least 4 books. Their most popular book is Thor a mocné kladivo Mjölnir with 2 saves with an average rating of 3⭐.

Authorship percentage indicates primary author status - excluding introductions, forewards and other contributions.

Series

1 primary book

Authored 100% of series

Mitos Nórdicos

Mitos Nórdicos is a 1-book series first released in 2019 with contributions by Sergio A. Sierra.

#1
Thor a mocné kladivo Mjölnir