Guaranteed to send a chill up your spine:   “Oath of Office” by the Tom Clancy estate finds Jack Ryan dealing with a rebellion in Iran; Iris Johansen’s “Vendetta”  finds Catherine Ling tasked with protecting the daughter of a CIA officer from a deadly nemesis; “The Enemy of my Enemy” by W. E. B. Griffin is a story about the  birth of the CIA and the Cold War; “Blood and Bone” by Nora Roberts continues the futuristic drama begun in “Year One”;