File: "printout-EASY_*.pdf"
This file you can just easily print on A4 paper without any special settings in your printing software. The result is two pages side-by-side on one A4 paper surface. The pages in such spreads are correctly positioned: the odd pages are on the right (recto). This can be printed either single-sided or double-sided.
If you print double-sided, note that you must choose "flip over short side" or similar in the double-sided printing options of your printing software.
It is also best to print as "original size" or "scale: 100%" if using A4 paper. If you print on some other paper size, then you should let the printing software scale the pages to fit on paper.
If you commission a print shop to print the book for you, please provide them with the default version of the songbook file instead of this.