Raw PDFcoffee songbooks give you the original key. That is great for the recording, terrible for your vocal range.
"100 Acoustic Classics.pdf" (Scanned in 2009. Page 1 is faded. Page 23 is upside down. The chord for "Wish You Were Here" is written as "Cadd9" but the diagram is missing). pdfcoffee guitar songbook better
Here is the philosophical twist: