Mole. Readers who enjoy spy fiction are likely to enjoy Alma Katsu’s novel titled, Red Widow. Protagonist Lyndsey Duncan has been called home to CIA headquarters on administrative leave following an indiscretion that has put her career at risk. After three Russian assets were exposed, the CIA suspects a mole at either Moscow Station or headquarters. Lyndsey has been asked to investigate. Katsu’s plot is engaging, and the characters are complex and interesting. Rating: Four-star (I like it) Click here to purchase Red Widow from amazon.com.