Imboden's Brigade in the Gettysburg Campaign- with Steve French

You've heard of Imboden's Brigade. But what do you know about it and its role in the Gettysburg Campaign. Steve French fills us in.
Steve is a former middle school history teacher and graduate of Shepherd College. His works include Imboden's Brigade in the Gettysburg Campaign; Rebel Chronicles: Raiders, Scouts, and Train Robbers of the Upper-Potomac; and Four Years Along the Tilhance: The Private Diary of Elisha Manor.