Greg Amundson is the author of four bestselling books. Greg's new book (April 2018) The Warrior and The Monk hit the Amazon #1 Bestsellers spot in three categories within 72 hours of release. 

Greg's first book, Your Wife Is NOT Your Sister, has helped thousands of people improve their intimate relationships, and enhance the quality of their communication skills.

Greg's groundbreaking Christian daily devotional God In Me sold over two thousand copies in it's first three weeks of publication, and has provided readers with new insight into God's Word.

Greg's book Firebreather Fitness is the monumental and authoritative work on integrating the mind, body and spirit. This book was co-written with New York Times bestselling author TJ Murphy, and has a forward from New York Times bestselling author Mark Divine, and photography with CrossFit legend Annie Sakamoto.