R.S.V.P. murder; The twisted people; Come out, come out

An American author of mystery novels. She had one of the longest careers (from the 1920s to the 1980s) among major American mystery writers (<a href=https://en.wikipedia.org/wiki/Mignon_G._Eberhart>Wikipedia</a>).

Biography from http://mysteriouspress.com/authors/hugh-pentecost/default.asp: >Hugh Pentecost >Aliases: Judson Philips >Hugh Pentecost was a penname of mystery author Judson Philips (1903-1989). Born in Massachusetts, Philips came of age as a writer during the golden age of pulp magazines, and spent the 1930s writing suspense fiction and sports stories for a number of famous pulps. His first book was Hold ‘Em Girls! The Intelligent Women’s Guide to Men and Football (1936), but...

George Malcolm-Smith is the author behind the mysteries "R.S.V.P. murder" and "The twisted people." His books, which also include "Come out, come out," offer readers a mix of suspense and psychological intrigue.