The last page of the manuscript received by Poe appears to have been a photocopy. Rampo seems to know why, but there are still more mysteries surrounding the death of the author.
doesn't
work
if
the
author
لا يفلح
إن قام
المؤلّف
Der Autor hätte den Trick des Kindaichi-Mords
nur dem Täter verraten dürfen.
no puede darse si el autor
no puede darse si el autor
à personne d’autre
non
funziona
se
l'autore
não funciona 
se o autor