Daniel James Abraham, known by his pen names M.L.N. Hanover and James S.A. Corey, is a renowned American novelist, comic book writer, screenwriter, and television producer. He was born in November 1969 in Albuquerque, New Mexico. Abraham is especially celebrated for his work on The Long Price Quartet and The Dagger and the Coin fantasy series. Along with Ty Franck, he co-authored The Expanse series of science fiction novels under the joint pseudonym James S.A. Corey. This acclaimed series was adapted into the television series The Expanse (2015-2022), with Abraham and Franck serving as writers and producers.

Under the pseudonym M. L. N. Hanover, Abraham authored the urban fantasy series La Hija del Sol Negro. In collaboration with Ty Franck, he penned the Star Wars novel Honor Among Thieves (2014), also as James S.A. Corey. Abraham partnered with George R. R. Martin and Gardner Dozois on the science fiction novel Hunter's Run (2007). A frequent collaborator with Martin, Abraham adapted several of his novels into comics and graphic novels, such as Game of Thrones: The Graphic Novel, and contributed to Martin's Wild Cards universe.

Abraham's novel Abaddon's Gate won the Locus Award in 2014. The opening book of The Expanse, Leviathan Wakes, was nominated for the Hugo Award for Best Novel and the Locus Award for Best Science Fiction Novel in 2012. His novella Flat Diane was nominated for the Nebula Award. Another novella, The Cambist and Lord Iron: a Fairytale of Economics, was nominated for both the Hugo Award and the World Fantasy Award. His short stories have been featured in numerous publications and anthologies, collected in Leviathan Wept and Other Stories (2010).