18 books • 4 series
Book #1: Boundary Crossed
Book #2: Boundary Lines
Book #3: Boundary Born
Book #4: Boundary Broken
Book #5: Boundary Haunted
Book #1: Midnight Curse
Book #2: Blood Gamble
Book #3: Shadow Hunt
Book #4: Born Magic
Book #2: Switchback
Book #1: Dead Spots
Book #2: Trail of Dead
Book #3: Hunter's Trail