Fullmetal Alchemist - Arakawa, Hiromu Inoue, Makoto

Somewhere between magic, art and science exists a world of alchemy. And into this world travel Edward and Alphonse Elric—two brothers in search of the Philosopher's Stone, the ultimate alchemical treasure!

(Source: VIZ Media)

The first five novels were published in English by VIZ Media from October 4, 2005 to December 18, 2007. The novels are published under the sub-titles The Land of Sand, The Abducted Alchemist, The Valley of White Petals, Under the Faraway Sky, and The Ties that Bind.
The Land of Sand novel inspired episodes 11, 12 and part of 37 in the 2003 Fullmetal Alchemist TV anime.