11 books • 2 series
Book #1: The Congruent Apprentice
Book #2: The Congruent Wizard
Book #3: The Congruent Dragon
Book #4: The Congruent Emperor
Book #5: The Congruent King
Book #1: Xenotech Rising
Book #2: Xenotech Queen's Gambit
Book #3: Xenotech What Happens
Book #4: Xenotech General Mayhem