4 books in series

The Immortal Iron Fist (Collected Editions)

The Immortal Iron Fist (Collected Editions) is a 4-book series with 4 primary works first released in 2007 with contributions by Matt Fraction, David Aja, Duane Swierczynski, John Severin, Russ Heath, Sal Buscema, Tom Palmer, Matt Hollingsworth, Roy Thomas, and Ed Brubaker.

The immortal Iron Fist. The last Iron Fist story
The Immortal Iron Fist, Volume 3: The Book of the Iron Fist
The Immortal Iron Fist, Vol. 4: The Mortal Iron Fist
The Immortal Iron Fist, Vol. 5: Escape from the Eighth City