Printed tunebook, 400 pages with black & white photos, spiral bound to stay open on a music stand. Advantages over eBook: Best readability of the 8.5 x 11” full-page tunes and you can mark them up with pencil. Also the maps, glossary, appendices and cross-references within the text that are easier to access when you can flip to another page and quickly back again. See the first FAQ below for detailed comparison to eBook.