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

Briar’s mentor, a dedicated dedicate of the Earth Temple whose life hangs in the balance.

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.

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. Pierce, Tamora - Circle of Magic 04 - Briar's Book

Unlike the previous books that focus on external threats (pirates or forest fires), this story deals with a biological threat. It highlights the intersection of magic and medical science.

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

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

According to Wikipedia , this book concludes the initial journey of these characters before they transition into the The Circle Opens quartet as older students. As the epidemic escalates into a full-scale crisis,

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