Dragons of Argonath is a fantasy

Fantasy

Fantasy is a genre of fiction that commonly uses magic and other supernatural phenomena as a primary element of plot, theme, or setting. Many works within the genre take place in imaginary worlds where magic is common...

 novel

Novel

A novel is a book of long narrative in literary prose. The genre has historical roots both in the fields of the medieval and early modern romance and in the tradition of the novella. The latter supplied the present generic term in the late 18th century....

 written by Christopher Rowley

Christopher Rowley

Christopher Rowley is an American writer of both science fiction and fantasy novels.Rowley was born in 1948 in Lynn, Massachusetts to an American mother and an English father. Educated for the most part at Brentwood School, Essex, England, he became a London-based journalist in the 1970s...

. The book is the sixth in the Dragons of the Argonath series that follows the adventures of a human boy, Relkin, and his dragon, Bazil Broketail

Bazil Broketail

Bazil Broketail is a 1992 fantasy novel by author Christopher Rowley, the name of its main character, and the name of the further series of books featuring him...

as they fight in the Argonath Legion’s 109th Marneri Dragons.

Back in the home of the Fighting 109th, the city of Marneri, a rebellion is brewing fomented by the grain merchants, but behind the merchants is Waakzaam the Great, an “elemental” wizard who has come to Ryetelth to add the world to the other twelve already under his control. Two plagues, spread by rats and agents of Waakzamm, are unleashed on the Argonath specifically designed to weaken the Empire’s Legions. When civil war does break out with the rebellious forces, it is the 109th Marneri Dragons at the forefront of the battle. Ultimately they are able to drive Waakzaam from the world of Ryetelth, but are unable to kill him.