Robert E. Margroff

Books
The Ring The Ring
The Ring
2014
The E. S. P. Worm The E. S. P. Worm
The E. S. P. Worm
2014
Chimaera's Copper Chimaera's Copper
Chimaera's Copper
2014
Serpent's Silver Serpent's Silver
Serpent's Silver
2014

Audiobooks
The Ring (Unabridged) The Ring (Unabridged)
The Ring (Unabridged)
2026
Serpent's Silver (Unabridged) Serpent's Silver (Unabridged)
Serpent's Silver (Unabridged)
2026
The E.S.P. Worm (Unabridged) The E.S.P. Worm (Unabridged)
The E.S.P. Worm (Unabridged)
2026