15 books • 4 series
Book #1: Salome's Charger
Book #2: The Key of Solomon
Book #3: Sola Scriptura
Book #1: Mysterious Treasure Map
Book #2: The Case of the Secret Code
Book #3: Jenny's Cat-Napped Cat
Book #4: Missing Combination Mystery
Book #5: The Broken Dozen Mystery
Book #1: The Shaking
Book #1: Life & Death