Pierce, Tamora - Circle Of Magic 04 - Briar's Book -

While Briar and his teacher, Rosethorn, are searching for new plant specimens in the city of Summersea, they discover a mysterious and deadly disease spreading through the city’s poorest districts. Known as "Blue-Tick," this plague is highly contagious and resists traditional magical and medicinal cures.

The "circle" of the four mages is fully realized here; they prove that their combined magic is significantly more powerful than their individual talents. Main Characters Pierce, Tamora - Circle of Magic 04 - Briar's Book

is the fourth and final installment in Tamora Pierce's Circle of Magic quartet, focusing on Briar Moss, a former "street rat" with a magical affinity for plants and greenery. Plot Summary While Briar and his teacher, Rosethorn, are searching

As the epidemic escalates into a full-scale crisis, the four young mages of Winding Circle—Briar, Sandry, Tris, and Daja—must combine their unique elemental powers to find a cure. The story takes a deeply personal turn when Rosethorn herself contracts the disease, forcing Briar to risk everything, including a journey into the realm of the dead, to save his mentor and the city. Main Characters is the fourth and final installment

The novel is set in , the capital of Emelan. The contrast between the wealthy palaces and the desperate, disease-ridden "Crosstree" district plays a major role in the narrative's tension.

The protagonist, whose plant magic and knowledge of the "gutter" become essential in navigating the plague-stricken city.