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⭐.
 Thor a mocné kladivo Mjölnir
| 3 | 1 read | |
 Frankenstein by Mary Shelley: A Dark Graphic Novel | 3 | 1 read | |
 Thor e il potere di Mjölnir Thor e il potere di Mjölnir
| 4 | 1 read | |
 Thor na Terra dos Gigantes Thor na Terra dos Gigantes
| 0 | 0 reads |