Imaging Zone can provide you with quality magazine printing at a very reasonable price. Some are printed digitally, while others are printed offset.
Magazines are usually 8 1/2" x 11", issued at regular intervals, and of different number of pages. The most common size is an 11" x 17" flat and folded to 8 1/2" x 11" finished size, with staples placed along the fold in 2 positions. Any magazine that is larger than 48 pages is usually perfect bound and not saddle stitched.