Update from v.0 to v.1 of the assigned reading list.
The page numbers for the third edition are now given, in addition to the page numbers for the second addition.
Section heading changes for 2.1.1, 2.1.2, and 2.1.3. are indicated.
Note: these sections in the third edition are rewritten from the second edition.
Third edition has two additional eCheck exercises per chapter.
Third edition has sec 6.4.3 inserted (not assigned reading).