Lookup date in range depending on a number

Hello,

I have a Master workbook with 4 sheets named WEEK 1 to WEEK 4. At work we work around 13 4 week periods and need this workbook to be dated accordingly, that is Period 1 Week 1 and date of first day (Sunday) of that period. The ideal solution would be for the user to enter 1 to 13 into a cell and via a button all dates to be populated and a new workbook created for that period. I have attached a sample workbook with the 4 weekly sheets and a date range on another sheet to show the range I need the dates from. I hope the workbook explains what I need better than my explanation here! If anyone can give me a few pointers I would be most grateful, many thanks.