61 books • 12 series
Book #3: Rock 'n' Roll Nightmare (Beetlejuice 3)
Book #5: Camp Fright (Beetlejuice 5)
Book #6: Trial by Ghost (Beetlejuice 6)
Book #23: Quest for King Arthur
Book #1: Presidents and First Ladies-George & Martha Washington
Book #2: Presidents & First Ladies-John & Abigail Adams
Book #28: Presidents and First Ladies-Woodrow & Edith Wilson
Book #32: Presidents and First Ladies-Franklin & Eleanor Roosevelt
Book #35: Presidents and First Ladies-John & Jacqueline Kennedy