The novel “Two Squares” opens the trilogy of Yuri Burnosov “Numbers and Signs”. This book belongs to an extremely popular genre today, the pinnacles of which are considered to be “The Name of the Rose” by Umberto Eco and “The Flemish Plaque” by Arturo Perez-Reverte. In this genre, a clever detective intrigue is woven into the fabric of a fascinating historical novel, and the hero leading the investigation often wonders whether he is confronted by a criminal of flesh and blood, or whether there are dark otherworldly forces behind the atrocities committed. Prima Constable of the Securative Chamber Jaime Beaufranc arrives in a secluded, lost in the forests is a town where a series of strange and bloody murders took place. Numbers and signs show the investigator the way, but the truth turns out to be so unexpected and ominous that it will take many, many efforts to uncover the mystery of the deaths sealed by two squares.