Robert Grandon Series

3 primary works • 6 total works

Book 1

Planet of Peril
Planet of Peril Otis Adelbert Kline
3.41 avg. rating · 108 Ratings

Book 2

Prince of Peril (Robert Grandon, #2)
Prince of Peril (Robert Grandon, #2) Otis Adelbert Kline
3.67 avg. rating · 63 Ratings

Book 3

The Port of Peril (Robert Grandon #3)
The Port of Peril (Robert Grandon #3) Otis Adelbert Kline
3.53 avg. rating · 59 Ratings

Book x.5

A Vision of Venus
A Vision of Venus Otis Adelbert Kline
3 avg. rating · 4 Ratings

Book 1-2

El planeta del peligro; El príncipe del peligro (Del ciclo venusiano #1-2)
El planeta del peligro; El príncipe del peligro (Del ciclo venusiano #1-2) Otis Adelbert Kline
4 avg. rating · 1 Ratings

Book 1-3

The Buccaneers of Venus Collection (Three novels in one volume!)
The Buccaneers of Venus Collection (Three novels in one volume!) Otis Adelbert Kline
3.94 avg. rating · 35 Ratings