Background. Garlic mustard (Alliaria petiolata) is an invasive herb that has spread throughout much of the United States over the past 150 years, becoming one of the worst invaders of forests in the American Northeast and Midwest.ackground. Garlic mustard (Alliaria petiolata) is an invasive herb that has spread throughout much of the United States over the past 150 years, becoming one of the worst invaders of forests in the American Northeast and Midwest.
Mystery fiction. Mystery, 1934 mystery fiction magazine cover. Mystery fiction is a genre of fiction usually involving a mysterious death or a crime to be solved. In a closed circle of suspects, each suspect must have a credible motive and a reasonable opportunity for committing the crime.
The romance novel or romantic novel discussed in this article is the mass-market literary genre. Novels of this type of genre fiction place their primary focus on the relationship and romantic love between two people, and must have an emotionally satisfying and optimistic ending. There are many subgenres of the romance novel including fantasy, historical romance, paranormal fiction, and science fiction. Walter Scott defined the literary fiction form of romance as a fictitious narrative in pro