Stephen Crane & Mark Twain 
The Warfare of Divided Allegiances: Civil War Collection [EPUB ebook] 
40+ Novels & Stories of Civil War, Including the Rhodes History of the War

This Madison & Adams edition presents the greatest novels and stories written in the aftermath of the Civil War, trying to show the truth in disguise of fiction, the trauma, the turmoil, the massacre and the heroism of all people involved:
Stephen Crane:
The Red Badge of Courage
The Little Regiment
The Veteran
The Private History of a Campaign That Failed & A Curious Experience (Mark Twain)
Ambrose Bierce:
An Occurrence at Owl Creek Bridge
A Horseman in the Sky
Chickamauga
Joseph A. Altsheler:
The Guns of Bull Run
The Guns of Shiloh
The Scouts of Stonewall
The Sword of Antietam
The Star of Gettysburg
The Rock of Chickamauga
The Shades of the Wilderness
The Tree of Appomattox
The Crisis (Winston Churchill)
Miss Ravenel’s Conversion from Secession to Loyalty (John William De Forest)
With Lee in Virginia (G. A. Henty)
Who Would Have Thought It? (María Ruiz de Burton)
The Long Roll (Mary Johnston)
Cease Firing (Mary Johnston)
The Victim: A Romance of the Real Jefferson Davis (Thomas Dixon Jr.)
Kincaid’s Battery (George Washington Cable)
The Border Spy (Harry Hazelton)
The Battle Ground (Ellen Glasgow)
Who Goes There? (B. K. Benson)
Ailsa Paige (Robert W. Chambers)
Special Messenger (Robert W. Chambers)
How Private George W. Peck Put Down the Rebellion (George W. Peck)
Raiding with Morgan (Byron A. Dunn)
Mohun; Or, the Last Days of Lee and His Paladins (John Esten Cooke)
Brother Against Brother (John R. Musick)
The Last Three Soldiers (W. H. Shelton)
A War-Time Wooing (Charles King)
The Iron Game (Henry F. Keenan)
The Blockade Runners (Jules Verne)
The Lost Despatch (Natalie Sumner Lincoln)
My Lady of the North (Randall Parrish)
Uncle Daniel’s Story of 'Tom’ Anderson (John Mc Elroy)
The Red Acorn (John Mc Elroy)
Winning His Way (Charles Carleton Coffin)
A Daughter of the Union (Lucy Foster Madison)
Chasing an Iron Horse (Edward Robins)
The Man Without a Country (Edward Everett Hale)
History of the Civil War, 1861-1865 (James Ford Rhodes)