What has the author Leonard Knapp written?

Answer 1

Leonard Knapp has written:

'The cave of spears' -- subject(s): Protected DAISY

'Battle on Mercury' -- subject(s): Protected DAISY

'Rockets to nowhere'

'War and Space'

'Best Science Fiction Stories of the Year'

'Robots and changelings' -- subject(s): American Science fiction

'Best Science Fiction Stories of the Year'

'Police Your Planet' -- subject(s): Fiction, Fiction in English, Mystery, OverDrive, Science Fiction

'The Early Del Rey Vol 2'

'Early Del Rey' -- subject(s): American Science fiction

'Best Science Fiction of the Year'

'Nerves' -- subject(s): OverDrive, Classic Literature, Fiction, Science Fiction & Fantasy

'MOON OF MUTINY (Science Fiction Adventure)'

'Outpost of Jupiter' -- subject(s): Science fiction, American Science fiction

'Badge of Infamy' -- subject(s): OverDrive, Fiction, Science Fiction

'\\'

'Moon of mutiny' -- subject(s): Fiction, Science fiction, Space colonies, Space flight training

'OUTPOST OF JUPITER (del Rey SF Adventure)'

'Attack from Atlantis'

'Marooned on Mars' -- subject(s): Fiction

'Attack from Atlantis' -- subject(s): Science fiction

'Space flight' -- subject(s): Astronautics, Juvenile literature

'The year after tomorrow' -- subject(s): Science fiction

'Rockets through space' -- subject(s): Space flight, Juvenile literature

'Rocks and what they tell us' -- subject(s): Accessible book, Juvenile literature, Petrology

'Tunnel Through Time'

'Rocket from infinity'

'Mission to the Moon' -- subject(s): In library

'The man without a planet'

'The mysterious sky' -- subject(s): Astronomy, Popular works

'Once Upon a Time'