Fanthorpe, R L
Chronological Checklist
Series – as Leo Brett
- Exit Humanity (London: John Spencer and Co/Badger Books, 1960) as by Leo Brett
- The Microscopic Ones (London: John Spencer and Co/Badger Books, 1960) as by Leo Brett
- The Faceless Planet (London: John Spencer and Co/Badger Books, 1960) as by Leo Brett
- March of the Robots (London: John Spencer and Co/Badger Books, 1961) as by Leo Brett
- Black Infinity (London: John Spencer and Co/Badger Books, 1961) as by Leo Brett
- Mind Force (London: John Spencer and Co/Badger Books, 1961) as by Leo Brett
- Nightmare (London: John Spencer and Co/Badger Books, 1962) as by Leo Brett
- Face in the Night (London: John Spencer and Co/Badger Books, 1962) as by Leo Brett
- The Immortals (London: John Spencer and Co/Badger Books, 1962) as by Leo Brett
- They Never Come Back (London: John Spencer and Co/Badger Books, 1963) as by Leo Brett
- The Forbidden (London: John Spencer and Co/Badger Books, 1963) as by Leo Brett
- From Realms Beyond (London: John Spencer and Co/Badger Books, 1963) as by Leo Brett
- The Alien Ones (London: John Spencer and Co/Badger Books, 1963) as by Leo Brett
- Power Sphere (London: John Spencer and Co/Badger Books, 1963) as by Leo Brett