James Rollins is a pen name of <a href="/c/books/credit/724876/james-czajkowski/">James Czajkowski</a>, an American veterinarian and writer of action-adventure/thriller, mystery, and techno-thriller novels who gave up his veterinary practice in Sacramento, California to be a full-time author. He also writes under the pseudonym <a href="James Clemens">James Clemens</a>.
Series:
• <a href="/c/books/credit/724882/sigma-force/">SIGMA Force</a>
• <a href="/c/books/credit/724881/the-order-of-the-sanguines-trilogy/">The Order of the Sanguines Trilogy</a> with <a href="/c/books/credit/317439/rebecca-cantrell/">Rebecca Cantrell</a>
