[LivresInOz]

In summary, what would be the simplest way to ensure authors are SEARCHABLE on the Kobo without causing the problem of the book not appearing (as it should) as 'on device' in Calibre

(...which definitely happens if you list authors using the form: "John Lennon, Paul McCartney, George Harrison & Ringo Starr")

I don't care too much whether the author's name is listed on the book, but it might sometimes be useful to have them findable in a search.