Minor text errata:
Page 63, Joe asks: "In [xxx](#chapter.sprintplanning)
, we discuss … " => The link to chapter 10 is not properly handled.
Page 67: " … may be the just recipe you need …" => " … may be just the recipe you need …"
Page 84: “The techniques and practices this vary, …” => “The techniques and practices for this vary, …”