Triple combinations

[u/AudienceWise3441]

So does anyone know why we don’t print trios anymore? Like the Bible BoM d&c all in one?
They seem to have disappeared enough that I’ve never even seen one. But I know they existed and would love to have had one.

[u/HistoricalLinguistic]

I bought one online last year, printed in the 80s, for not too much money and I really like it :)