Hi Brian,
Thanks for your note. I just updated the chapter 5 download file to include this field. If you don't want to download another 5MB, you can easily add the field:
1) Insert a new column E.
2) Heading in E1 is Order Date. Change heading in D1 to Ship Date.
3) The formula in E2 is =D2-INT(RAND()*90)-IF(INT(RAND()*30)>28,90,0)
4) Copy this formula from E2 down to all rows. (The fast way is to select E2, then double-click the fill handle - the square dot in the lower right corner of the cell.
Thanks for buying the book!
Bill