{"schema_version":"bf_book_companion_v1","release_id":"20261010T034321Z-reviewed-full-unique-works","book":{"amazon_purchase_url":"https://www.amazon.com/dp/1633880540?tag=bookfrontie00-20","asin":"1633880540","authors":["J.F. Lewis"],"book_id":"9781633880542","canonical_url":"https://bookfrontier.com/books/oathkeeper-9781633880542","cover_image_url":"https://img.bookfrontier.com/9781633880542.jpg?v=83e0428fc7eacdc0","description":"Rae’en has taken her father’s place as First of the practically immortal Aern, a race created by the Eldrennai as warrior-slaves to defend them from the magic-resistant reptilian Zaur. Freed from all Oaths by Kholster’s death, Rae’en decides to wage war on the Eldrennai anyway out of rage and grief. The war between the Eldrennai and Zaur has begun. Bloodmane, leader of the now independent mystic-warsuits, has underestimated both the sheer numbers of the Zaur and their field leader General Tsan. As the warsuits prepare to assist the Eldrennai in the defense of their Watch cities, the Zaur warlord, Xastix, launches the bulk of his forces at the Vael in an attempt to cut off all outside help. Prince Rivvek, having been accepted as an Aiannai (Oathkeeper) before Kholster’s death must claim the Eldrennai throne by completing the Test of Four so that he can enact his plan to save as much of his kingdom as possible. Meanwhile, his brother Prince Dolvek hatches a plot to enlist the aid of the plant-like Vael to defeat the Zaur horde who are in league with the decapitated head of a dethroned deity.","forthcoming":false,"isbn13":"9781633880542","publication_date":"20150609","publisher":"Pyr","slug":"oathkeeper","subtitle":"","title":"Oathkeeper"},"discovery":{"categories":{"all":[{"bisac_code":"FIC009140","confidence_band":"medium","label":"Military Fantasy","score":0.8048,"source":"bisac_hint_model"},{"bisac_code":"FIC009020","confidence_band":"medium","label":"Epic Fantasy","score":0.795,"source":"bisac_hint_model"},{"bisac_code":"FIC009120","confidence_band":"medium","label":"Dragons & Mythic Creatures","score":0.7866,"source":"bisac_hint_model"}],"hint":[{"bisac_code":"FIC009140","confidence_band":"medium","label":"Military Fantasy","score":0.8048,"source":"bisac_hint_model"},{"bisac_code":"FIC009020","confidence_band":"medium","label":"Epic Fantasy","score":0.795,"source":"bisac_hint_model"},{"bisac_code":"FIC009120","confidence_band":"medium","label":"Dragons & Mythic Creatures","score":0.7866,"source":"bisac_hint_model"}],"publisher":[{"bisac_code":"FIC009000","confidence_band":"high","label":"Fantasy","score":1,"source":"onix_publisher_code"},{"bisac_code":"FIC009020","confidence_band":"high","label":"Epic Fantasy","score":1,"source":"onix_publisher_code"},{"bisac_code":"FIC032000","confidence_band":"high","label":"War Fiction","score":1,"source":"onix_publisher_code"}]},"genres":[{"label":"Military Fantasy","score":0.8048,"slug":"military-fantasy"},{"label":"Epic Fantasy","score":0.795,"slug":"epic-fantasy"},{"label":"Dragons & Mythic Creatures","score":0.7866,"slug":"dragons-mythic-creatures"}],"reader_fit":["Good for readers interested in fantasy warfare among rival peoples and factions","Readers drawn to succession struggles and political plots"],"related_lists":[],"series":null,"similar_books":[{"authors":["J.F. 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