The words are pretty much as posted by George Seto back in November 04: if anything that version is mair Scots even than the one in the book, but any differences are so minor that they are not worth worrying about. It also says to reprise the first 4 lines at the end of the song.
The score of the tune is in the book. The publishers are at www.gracenotepublications.co.uk ISBN no 978-1-907676-86-4