Poirot and Hastings get a cryptic information from the dying guy that places them on the trail of The Big 4, a global criminal offense cartel of supervillains bent on world domination. Christie composed the guide from individually-published small tales, which she tied together with an overarching plot. と疑問に思っていました。 因みに、文系ですらないただの学生です。 https://ramseye676akt8.answerblogs.com/profile