Inline Temp
The book has now been published and the content of this chapter has likely changed substanstially.You have a temp that is assigned to once with a simple expression, and the temp is getting in the way of other refactorings.
Replace all references to that temp with the expression.
Further Reading
From [Ref]. Refactoring: Improving the Design of Existing Software"Copyright © 2003-2008 Gerard Meszaros all rights reserved