Elwood, Roger
Chronological Checklist
Series – Continuum
- Continuum 1 (New York: G P Putnam's Sons, 1974)
- Continuum 2 (New York: G P Putnam's Sons, 1974)
- Continuum 3 (New York: G P Putnam's Sons, 1974)
- Continuum 4 (New York: G P Putnam's Sons, 1975)