Amazon.com: Knife Edge: Empire's Corps, Book 17 (Audible Audio Edition): Christopher G. Nuttall, Jeffrey Kafer, Podium Audio: Audible Books & Originals
Amazon.com: Callsign - Doubleshot: Jack Sigler Thrillers novella collection - Knight and Deep Blue (Audible Audio Edition): Jeremy Robinson, Kane Gilmour, Jeffrey Kafer, Ethan Cross, Breakneck Media: Books