Errata
p. 42, Figure 3.3: 
p. 68 (Section 4.2)
The "PLL predicts an adjustment yFLL...while the FLL predicts an adjustment yPLL..." should read "The PLL predicts an adjustment yPLL...while the FLL predicts an adjustment yFLL...".
p. 168, step 3: the gk in the formula should read gy.
On page 257, you define ITAR as International Trade in Arms Regulations. The T stands for Traffic, not Trade.
Contributed by Ben Rothke
New book: Mills, David L.