Today’s guest on the @jackcarrbookclub podcast is bestselling author Patrick K. O’Donnell. ‌ Patrick is the author of the Jack Carr Book Club April 2025 selection, THE UNVANQUISHED. ‌ Best known for his work on elite warriors throughout American history, O’Donnell turns his attention to the Civil War’s forgotten front, a shadow war of espionage, sabotage, and special operations. At the heart of this untold story are the Jessie Scouts—Lincoln’s special forces—who went behind enemy lines in disguise, tracked Mosby’s Rangers, and helped tilt the war toward Union victory. ‌ O’Donnell’s work reads like fiction but is grounded in firsthand accounts and deep archival research. It’s a must-read for those interested in special operations, intelligence, and the high-stakes missions that shaped history. ‌ Find our conversation and subscribe on Apple Podcasts, Spotify, and the Jack Carr YouTube Channel. ‌ #JackCarr #JackCarrUSA #PatrickKOdonnell #TheUnvanquished #JackCarrBookClub #BookClub #BookoftheMonth #Read