1. I'll Be Gone in the Dark by Michelle McNamara.
2. The Hillside Stranglers by Darcy O'Brien.
3. The Stranger Beside Me by Ann Rule.
4. Helter Skelter: The True Story of the Manson Murders by Vincent Bugliosi and Curt Gentry.
5. Who Killed These Girls? by Beverly Lowry.
6. Child Killer by Jack Rosewood.
7. Inside the Mind of BTK by John E. Douglas and Johnny Dodd.
8. Deviant: True Story of Ed Gein, The Original Psycho by Harold Schechter.
9. Zodiac: The Shocking True Story of the Hunt for the Nation's Most Elusive Serial Killer by Robert Graysmith
10. Whoever Fights Monsters: My Twenty Years Tracking Serial Killers for the FBI by Robert K. Ressler and Tom Shachtman.
11. John Wayne Gacy: Defending a Monster by Sam L. Amirante and Danny Broderick.
12. Jack the Ripper: The Definitive Casebook by Richard Whittington-Egan .
13. Severed: The True Story of the Black Dahlia by John Gilmore.
14. Jeffrey Dahmer: A Terrifying True Story of Rape, Murder & Cannibalism by Jack Rosewood.
15. The Monster of Florence by Douglas Preston and Mario Spezi.
16. The Boys on the Tracks by Maya Leveritt.
17. Chase Darkness with Me: How One True Crime Writer Started Solving Murders by Billy Jensen
Oh, and if you're one of those people that prefers to ~listen~ to your books, you can grab them from Audible Australia! Plus the first one's free (and who doesn't love a freebie?).