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.
1 Techno thriller: A suspense film in which the manipulation of sophisticated technology plays a prominent part. 2  There is a bit of action and science fiction. 3  Examples include The Thirteenth Floor, Jurassic Park, I, Robot, Source Code, Eagle Eye, Supernova, Hackers, The Net, Futureworld, eXistenZ, and Virtuosity.