The Case of The Pool of Blood in the Pastor's Study

Grace Isabel Colbron (1869-1943) was an American author of detective fiction. Writing career, especially in such genre, was not common for women in that time. Her writings can be described as belonging to detective subgenre of "Whodunit". Her most notable work is a series of novels, united by the single protagonist, Joe Muller, and called A Case Collection.
The Case of The Pool of Blood in the Pastor's Study is a detective novel by Grace Isabel Colbron and co-authored by Augusta Groner. The narrative follows Joseph Muller, an Austrian detective, venturing to Hungary. There, in a remote village, he is to perform his duties and solve the mystery of a village pastor's death. But devil lurks behind the cross, and silent village can have a lot of secrets to be revealed. Will Muller catch the pastor's murderer? Read and find out!