Shadow Squadron: Dark Agent
Based on a tip from CIA agent Bradley Upton, Shadow Squadron rushes to Yemen in an attempt to apprehend an elusive Iraqi explosives expert nicknamed "The Professor." But when the mission goes wrong, the terrorist manages to escape--and Lieutenant Commander Ryan Cross is knocked unconscious.
Only Shadow Squadron has the talent and technology to stop the bomb maker and rescue the team leader.
Shadow Squadran is a fantastic, action packed series, with colourful illustrations these books are perfect for ages 9+