Prologue: Tullahoma: June 24-July 4, 1863
Intelligence resources: Army of the Potomac
Intelligence resources: Army of Northern Virginia
Intelligence plans and operations
Analyzing the enemy's intentions: mid-May to early June
Deciphering the enemy's movements: June 3 to 7
The invasion commences: struggling to outwit the opponent, June 8-13
Searching for Lee: June 14-16
Screening the army from prying eyes: June 17-21
Absence of coordination undermines Lee's objectives: June 22 to 25
Maneuvering for advantage: June 26 to 27
A spy brings news of the enemy: June 28 to 29
All signs point to Gettysburg: June 30 to July 1
Intense effort to gain the intelligence advantage: July 2
Lee's flawed assumptions: July 3
Lee retreats as meade deliberates: July 4 to 5
A battle of wits and a test of wills: July 6-11
The controversial escape: July 12 to 14.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Spies, scouts, and secrets in the Gettysburg campaign : how the critical role of intelligence impacted the outcome of Lee's invasion of the North, June-July, 1863 by Thomas J. Ryan. ISBN 9781611211788. Published by Savas Beatie in 2015. Publication and catalogue information, links to buy online and reader comments.
