"Quest" is a science fiction novelette by American writer Poul Anderson, about the consequences of an extraterrestrial scoutship landing in Medieval England.
Poul Anderson described the original as "one of the most popular things I've ever done, going through many book editions in several languages.
[3] The novelette was included in two collections of Anderson's short work, Space Folk and Going for Infinity, before being added to the Baen Books fiftieth anniversary edition of The High Crusade.
[4] In 1375, in the English capital of Troynovaunt (on the conquered Wersgor planet), King Roger is recruiting a military force to seek out the Holy Grail.
King Roger formulates a plan that with the mustered ship, which they come to call the Bonaventura, he can take the small army to the planet where the Holy Grail is held.