Ken Warner

Book #1: Katana Shodan

Book #2: Katana Nidan: The Unwritten Koan

Book #2: Katana Nidan

Book #3: Katana Sandan

Book #4: Katana Yodan

Book #2: Abducted

Book #3: Mars Enigma

Book #4: Majestic

Book #7: Shifted

Book #8: Delta Paradox

Book #2: Witch

Book #3: Sorcerer

Book #4: Sorceress