"G. H. Ephron" is a shared pen name of Hallie Ephron and Donald Davidoff, who together wrote the “Dr. Peter Zak” series of five mystery novels for St. Martin’s Minotaur under that name. Please do not combine "G. H. Ephron" with either of these individual authors. Thank you.
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Hallie Ephron is currently considered a "single author." If one or more works are by a distinct, homonymous authors, go ahead and split the author.
Hallie Ephron is composed of 5 names. You can examine and separate out names.