The Circular Study follows a baffling locked‑room death that draws investigators into a maze of shifting clues, hidden motives, and rising tension. As each detail deepens the mystery, the truth emerges only at the final turn. This edition includes ten original illustrations that bring the case and its atmosphere to life. Please note that some words may appear misspelled, but they may be written in old-fashioned, dialectal or archaic spelling. Interior printed in black and white for a classic reading style.