THRONE OF GLASS BOOKS ORDER NO FURTHER A MYSTERY

by Sarah J. Maas is the 1st e book during the collection. Inside a land without magic that is certainly ruled with an iron fist, an assassin named Celaena Sardothien is summoned for the castle. She will come not to assassinate the king, but to get her freedom. If she defeats 23 killers, thieves, and warriors in a contest, she's released from prison