Geoffrey McGivern
Books
The Hitchhiker's Guide to the Galaxy: The Tertiary Phase
1979
ISBN 9780563510840
The Hitchhiker's Guide To The Galaxy: Secondary Phase
1980
ISBN 9781787533219
The Hitchhiker's Guide to the Galaxy: The Quandary Phase
2005
ISBN 9780563504962
The Hitchhiker's Guide to the Galaxy: The Quintessential Phase
2005
ISBN 9780563504078
The Hitchhiker's Guide to the Galaxy: Quandary Phase
2005
ISBN 9781572704886
The Hitchhiker's Guide to the Galaxy: The Secondary Phase
1980
ISBN 9781602835450