But Booksonline also contains this quote "Log files do not contain pages; they contain a series of log records."

Blame MS not the author or question as I found the same section you did but I also found this

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Only database pages can be restored. Page restore cannot be used to restore the following:

Transaction log

Allocation pages—Global Allocation Map (GAM) pages, Shared Global Allocation Map (SGAM) pages, and Page Free Space (PFS) pages. For more information, see Managing Extent Allocations and Free Space.

Page 0 of all data files (the file boot page)

Page 1:9 (the database boot page)

Full-text catalog

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MS documentation leaves a lot to be desired.

-- Mark D Powell --