Marlene Yarrow

Marlene Yarrow was the niece of Wilbur Armitage, the head of the Special Collections at Miskatonic University Library at the beginning of the 21st century, and his likely successor to that position. She was also one of his three assistants, along with Jason Griffith and Petro Papagos.

In Spring, 2017, Armitage received a request from one Professor Gamal al-Zubi of Al-Azhar University in Cairo to borrow Miskatonic's copy of the Necronomicon. Al-Zubi's graduate student, Ahmad Goma, was to come to pick up the book in person. In truth, Goma was Hafez ibn Abd-al-Rahim, a member of the Islamic State (ISIS). ISIS had threatened al-Zubi and his family to secure his cooperation and cover for Hafez ibn Abd-al-Rahim.

Armitage and his assistants all suspected the truth about "Goma". Each assistant librarian urged Armitage to refuse Goma the Necronomicon, both because they were not convinced of Goma's intentions, and knowing full well the dangers the Necronomicon presented. Yarrow begged Armitage not give Goma the book.