Visionary + Poison, Gunpowder, Lady's Pistol (2 books in the set)

Detective in the Russian Empire: alternative and historical ancient Moscow, the feeling of an impending revolution, murders and art.
For fans of the detective stories of Viktor Dashkevich, Igor Evdokimov, and Zhenya Gravis – two investigations in one set!

«Visionary»
Murders for him are an art.
New Year's Eve 1920, January Moscow, fun, gifts – and a dead Snow Maiden in the square under the Christmas tree. A perfectly planned murder: no evidence, no witnesses. A young detective and a spirited young lady from a noble family take on their first case. Perhaps they should join forces, because who knows where their search for the killer will lead them? Because he clearly will not stop at one victim.

«Poison, Gunpowder, Lady's Pistol»
Moscow, 1915.
Young military surgeon Alexei Eiler returns from the front and goes to the mother of a friend he couldn’t save. But she unexpectedly confesses to him that she murdered her own husband… Soon, a new murder occurs, and Alexei is accused of it. To protect himself, he is forced to take on the investigation. A journalist from a tabloid publication forces himself into partnership. It turns out that everything is not so simple, and the hero faces a choice: expose the killer or end up in hard labor himself.
A new investigation begins in pre-revolutionary Moscow...