In Section 9.4 there's a sentence with a grammar issue
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| Edition | Second | 
|---|---|
| Version number | 3.0h | 
| Submission date | 11/7/2016 | 
| Your name | Chanud Yasanayake | 
| E-mail address | cyasanay@caltech.edu | 
| Chapter | 9.4 | 
| Page number | 9-23 | 
| Line number | 12 | 
| Current status | Closed | 
"...cancellation occurs because terms in separate blocks that just happen to coincide" should either not have the "that" or should say "because of terms".

