Covert-One is a series thriller novels commenced by <a href="/c/books/credit/28229/robert-ludlum/">Robert Ludlum</a>, and continued by several authors after his death in 2001.
• The Hades Factor (with <a href="/c/books/credit/583188/gayle-lynds/">Gayle Lynds</a>) (2000)
• The Cassandra Compact (with <a href="/c/books/credit/711018/philip-shelby/">Philip Shelby</a>) (2001)
• The Paris Option (with Gayle Lynds) (2002)
• The Altman Code (with Gayle Lynds) (2003)
• The Lazarus Vendetta (with <a href="/c/books/credit/711025/patrick-larkin/">Patrick Larkin</a>) (2004)
• The Moscow Vector (with Patrick Larkin) (2005)
• The Arctic Event (by <a href="/c/books/credit/711032/james-h-cobb/">James H. Cobb</a>) (2007)
• The Ares Decision (by <a href="/c/books/credit/617176/kyle-mills/">Kyle Mills</a>) (2011)
• The Janus Reprisal (by <a href="/c/books/credit/711041/jamie-freveletti/">Jamie Freveletti</a>) (2012)
• The Utopia Experiment (by Kyle Mills) (2013)
• The Geneva Strategy (by Jamie Freveletti) (2015)
• The Patriot Attack (by Kyle Mills) (2015)
