The Splintered Sun (Flann's Crows, #1)

THE SPLINTERED SUN is a fast-moving adventure that will thrill newcomers diving into the world of Osten Ard for the first time, while weaving together many parts of previously unrevealed Osten Ard history for all the readers who are eager to delve into the pre-DRAGONBONE CHAIR history of Hernystir and Erkynland.

Short summary:
Set in the New York Times-bestselling world of Osten Ard, Tad Williams’s latest novel is an action-packed, fast-moving adventure following the mythic figure of Flann Alderwood and his band of misfit rebels. As the old King of Hernystir’s health worsens, the realm has been thrown into chaos—warlords divide the land up among themselves and questions about the heir to the throne continue to cause conflict. Flann, along with mysterious allies both common and noble, must aid the King’s one legitimate heir in his quest to receive his father’s blessing and attempt to return stability to the realm, while pursued by enemies eager to end his life.