If You Loved "The Gray Man," You'll Love Mark Greaney's Other Books

Greaney began cowriting with iconic author Tom Clancy near the end of Clancy's life. After Clancy's death in 2013, Greaney took over writing some of Clancy's titles, including the Jack Ryan spy thriller series. He wrote or cowrote a total of seven novels under the Clancy banner.

• "Locked On"
• "Threat Vector"
• "Command Authority"
• "Support and Defend"
• "Full Force and Effect"
• "Commander in Chief"
• "True Faith and Allegiance"