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# Errata for Chapter 12: LINQ beyond collections

### P344, section 12.3.4: Incorrect section reference

A few lines up from the bottom of P344, I refer to "the axis methods mentioned in section 12.4.3". They're actually discussed in section 12.3.3 instead.

### P360, section 12.6.2: Incorrect reference

The third line of page 360 refers to section 10.3.7 and an implementation of `Where`

. This reference should be to section 10.3.3 (page 269).