Iphigenia: Songs of the Kings
For anyone interested in reading a take on the Iphigenia story, I suggest Songs of the Kings by Barry Unsworth, which is also available on Kindle. You can also use the Look Inside! feature to decide whether the book's style is for you.
The novel is set at Aulis, where the northeasterly winds keep the Greek fleet from sailing to Troy, and explores the mechanisms by which Iphigenia ended up as a sacrifice. Although the story is set in the Bronze Age, Unsworth does use some modernisms to make his point, that political machinations rather than any religious belief that brought Iphigenia to the altar.