Lynn Willis
Books
Call of Cthulhu
1992
ISBN 9780933635869- No cover
Masks of Nyarlathotep
2010
ISBN 9781568823423 
The Complete Masks of Nyarlathotep
1996
ISBN 9781568820699
Cthulhu Companion
1983
ISBN 9780933635067
Into the Troll Realms
1982
ISBN 9780911605785
Ellie, Tellie and Mellie
2010
ISBN 9781452019031- No cover
Miskatonic U. Graduate Kit
1987
ISBN 9780933635371 
Petersen's field guide to Cthulhu monsters
1988
ISBN 9780933635487
Petersen's field guide
1989
ISBN 9780933635531
Call of Cthulhu
1994
ISBN 9781568820149
Stormbringer
2001
ISBN 9781568821528
Finished Labour Of A Thousand Hands The Archaeology Of The Combe Down Stone Mines Bath Somerset
2011
ISBN 9780904220605
Griffin Mountain
1981
- No cover
Fragments of Fear
1985
ISBN 9780933635234 - No cover
Cthulhu Ahora
1999
ISBN 9788484210207 - No cover
Borderlands