Robert D. Oberst

Robert D. Oberst is the author of "Time Traveler 1491", "2020 Web Vision", "The Financial Time Machine" and "Time Traveler 1492".

Books by Robert D. Oberst

2020 Web Vision
Oberst, Robert D.
Paperback: $19.95

The Financial Tim...
Oberst, Robert D.
Hardback: $22.95

Time Traveler 1491
Oberst, Robert D.
Electronic book text: $7.90

The Financial Tim...
Oberst, Robert D.
Digital online: $11.95