Stiletto be employed along with the dagger as a fighting weapon; a 1536 dueling treatise authored by Achille Marozzo, "Opera Nova", contains sections on dagger and stiletto fighting. By the time of the Renaissance, the term stiletto had come to describe a range of slender thrusting knives closely resembling the French poignard, many with conventional dagger-profile blades and sharpened edges, but always retaining the slim profile and needle-like point. To lighten the weapon, many stilettos were equipped with blades carrying fullers over a portion of their length. The stiletto remained a popular weapon of criminals or political assassins from the 16th
Bart Gets a 'Z' during an early script where Zach's meltdown started with him giving all of the students "Z's" for their grades because he was staggeringly drunk, and even after it was decided to present Zach's meltdown differently everyone liked the title and kept it anyway. The episode name is a reference to the name of the Season 2 episode "Bart Gets an "F"", which was also referenced in the same season episode "Bart's Dog Gets an "F", the Season 10 episode "Lisa Gets an "A"". The novel Bart reads called "The Answer" is a parody of film and book, "The Secret". The