CHARACTER PROFILE · SPOILER-LIGHT
Susan Ryeland
Editor, reader and reluctant detective: Susan is the person who understands that a manuscript can be evidence—and that writers reveal themselves even when they think they are hiding.
Role in the series
Susan enters the series as the editor of Alan Conway's Atticus Pünd mysteries. Her editorial knowledge and close-reading habits place her between the fictional case inside the manuscript and the contemporary mystery around it.
Why she is such a good detective
She notices structure, omission, motive and inconsistency for a living. Horowitz makes the professional habits of an editor do the work that forensic expertise or police authority performs in a conventional mystery.
Core traits
Practical, persistent, sceptical and deeply attached to books without romanticising the publishing business.
Fan perspective
I love Susan because she solves mysteries as a reader would: by rereading, arguing with the text and refusing to accept that an awkward detail is merely decorative.
Appearances
Continuity notes — reveal spoiler-marked guidance
Read the three novels first if you want Susan's personal and professional changes to arrive in their intended order.
The series repeatedly changes Susan's relationship to publishing, place and the Atticus Pünd manuscripts. This profile deliberately withholds solutions, culprits and ending outcomes.
Sources
Role, sequence and book premises were checked against the official Anthony Horowitz catalogue and the source-linked permanent book entries on 20 September 2026.