Sandry's Book is the first novel in the Circle of Magic series by Tamora Pierce. It follows the story of a young girl named Sandry who discovers her magical abilities and is sent to a school for mages where she learns to harness her powers.

In a world where magic is both a gift and a burden, Sandry, a noble girl with the ability to weave magic through thread, finds herself at a school for mages. There, she meets other gifted children and together they learn to control their powers while facing various challenges.