Seán Barrett wrote Il nome della rosaIl nome della rosa was released 19801980 was the year that released Wild Seed (Patternmaster, #1). Wild Seed (Patternmaster, #1) is written by Octavia E. Butler
[Human]: Could you recommend a book by Sean Barrett, please? [Assistant]: Okay Seán Barrett wrote Il nome della rosa. [Human]: Oh yes, I think I know that one. It was originally written in english and released in 1980, right? 
Yes it was the same year Wild Seed was released. 