NILES' NATIONAL REGISTER, Baltimore, Sept. 27, 1845  Inside has various reports under: "Illinois" including: "The Temple at Nauvoo" which mentions in part: "...The first roof of the Temple, has been made of white pine shingles and plank..."
 with more. This is followed by: "A Mormon War" which is a letter from Sept. 14 with details of an attack. Included is a Proclamation from the sheriff of Hancock County. This report takes about 2 1/2 columns.
Also inside is: "Captain Fremont's Report" on his expedition which takes nearly 4 pages. Very detailed.
The back page has another report: Mormon War" noting: "...the disgraceful scene in Illinois, left dwellings in flames & the inhabitants flying in all directions...had destroyed some hundreds of Mormon dwellings, the Mormons in all instances so far, making little or no resistance. Nearly all of them are driven into Nauvoo...".
Sixteen pages, 8 1/2 by 12 inches, some minor foxing, nice condition.

As noted in Wikipedia, this title: "...(was) one of the most widely-circulated magazines in the United States...Devoted primarily to politics...considered an important source for the history of the period."