Pierce, Tamora - Circle Of Magic 04 - Briar's Book May 2026

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

Briar’s mentor, a dedicated dedicate of the Earth Temple whose life hangs in the balance. While Briar and his teacher, Rosethorn, are searching

The protagonist, whose plant magic and knowledge of the "gutter" become essential in navigating the plague-stricken city. Main Characters Briar’s mentor, a dedicated dedicate of

They provide the magical infrastructure—thread, lightning, and metal—needed to isolate and destroy the virus. Setting

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.

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