About this science book
Umbra : the Velvet Shadow : the Spirit World Unveiled by Harry Heckel, Daniel Greenberg is a science book available to read on EtoBox.
It is typically read by self-directed learners exploring a subject in depth.
Common subject areas: history, science, philosophy, social sciences.
- Author
- Harry Heckel, Daniel Greenberg
- Publisher
- White Wolf Games Studio
- Published
- 1993
- Language
- EN
- ISBN
- 9781565040762
- Category
- science
- Subjects
- Fiction, Horror, Comics
- Rating
- 4.7 / 5 (25 ratings)
- Updated
- 2026-03-14