1901 Riga. High school student Sonya Kaplan works in her father's bookstore, reads novels about detectives and dreams of opening her own investigation bureau. While visiting her teacher, she accidentally discovers an album full of family photographs in which his siblings are depicted as married... The bailiff, while investigating a series of strange deaths, learns about this incestuous marriage. Who allowed them to get married in church? Who took in the twin children? Who lives in their old estate, built on the ruins of the order's castle? Events sixteen years ago bring together a bookseller's daughter, a history teacher and a police officer, trying to catch a villain who is terribly similar to Dracula. Interesting, exciting adventures, colorful descriptions of the realities of the time, good knowledge of historical material , exclusive information about pre-revolutionary life - readers will find all this in Julia Lee’s new novel “Children of Riga Dracula” from the “Retro Detective” series.