Publisher:Panther
Panther Books Limited was a British paperback specialist. Sometime around 1967 or 1968 it was acquired by Granada Publishing Limited and "Panther Science Fiction" became a Granada imprint. In 1983, Granada sold the publishing side of its business to William Collins, Sons & Co Ltd. In 1989, William Collins Sons & Co Ltd merged with Harper & Row to form HarperCollins.
Common ISBN Ranges for Panther:
- 058601 1970-1983
- 058602 1969-1984
- 058603 1970-1981
- 058604 1974-1985
- 058605 1980-1985
- 058606 1984-1986
Note: These prefixes were also used by Granada 1973-1986. The 0586 prefix was also used by Grafton, HarperCollins, HarperCollins Voyager, Paladin and Triad, who also used the 058607-058600 ranges Panther and Granada didn't.
According to the UK Intellectual Property office, the Panther trademark for Book publishing was transferred from Granada Publishing Limited to Harvill Press Limited on 6 July 1995.
An interesting site for Panther Horror is My Name is Death.
Addresses
June 1964: Panther Books Ltd., 108 Brompton Road, London S.W.3 Source: Far Stars
July 1965: Panther Books Ltd., 108 Brompton Road, London S.W.3 Source: Men, Martians and Machines
1968: Panther Books Ltd., 3 Upper James Street, London W.1 Source: Wasp
Logos
While an independent publisher, Panther books used these logos:
1959: 
1962: 
June 1964-July 1965: 