‘Wilsons Tales of the Borders’ is amazingly well represented on the internet. Now out of copyright, many, but not all, are available as texts, and some in ebook format. Here is a list of sites where you can find downloads, or purchase real, paper books for your bookcase.
Project Gutenberg – all formats, plain text and many readers. Project Gutenberg is an attempt to provide every book out of copyright to every person on the planet. They provide most popular formats – text, PDF, epub, Kindle, and more. Click Here to go to the Wilsons Tales pages,
A site for everything regarding Scotland, it’s curated from a charming ex-pat Scot several thousand miles away, and is to be recommended as a resource in itself, apart from the Wilson’s Tales material.
You may go to the Wilson’s Tales header page here where there are a series of tales accessible in a formatted way. Alternatively, as stated on the page, you can read facsimile volumes at the Internet Archive
There are usually copies of the Tales on Ebay. Take Care, as Ebay sellers seem to equate leather bindings with huge prices. Check the edition and the volume(s). Click here to run a search over ebay
A free iBook of all the tales can be found here. It’s a spiced up copy of the Gutenberg public domain texts.