River Secrets (Books of Bayern Book 3) by Shannon Hale is on sale TODAY ONLY for $1.99 in ebook format. This is part of Hale's Goose Girl series although this title itself doesn't reinterpret a specific fairy tale. The book is usually in the $7.99 price range.
From Newbery Honor winner Shannon Hale, the third book of Bayern doesn't disappoint. With subtle, timely undertones about peacekeeping, this is the story of the young warrior, Razo, who goes with a Bayern delegation to keep the peace with neighboring country, Tira. Characters from the previous books, Isi, Enna and Finn play major roles in Razo's coming of age, as Razo grows into a spy and a warrior and learns to value himself as both.