The PDF files should be called:

Mystery_Tours_Activity_1_Summary_Teacher_Notes.pdf
Mystery_Tours_Activity_1_Worksheets.pdf
Mystery_Tours_Activity_1_Detailed_Teacher_Notes.pdf

Mystery_Tours_Activity_2_Summary_Teacher_Notes.pdf
Mystery_Tours_Activity_2_Worksheets.pdf
Mystery_Tours_Activity_2_Detailed_Teacher_Notes.pdf

Mystery_Tours_Activity_3_Summary_Teacher_Notes.pdf
Mystery_Tours_Activity_3_Worksheets.pdf
Mystery_Tours_Activity_3_Detailed_Teacher_Notes.pdf