Hiro Arikawa won the 10th Dengeki Novel Prize for her work "Shio no Machi: Wish on My Precious" in 2003 and debuted with the same novel in 2004. Of her many works, Arikawa is best known for the "Library Wars" series and her "Jieitai Sanbusaku" trilogy which consists of "Sora no Naka" (In the Sky), "Umi no Soko" (The Bottom of the Sea), and "Shio no Machi" (City of Salt).