It takes a look at the Guinness World Records to understand how hot the river cruiseship market can get.

It was 14 March, 2014, when Los Angeles-headquartered Viking River Cruises inaugurated 14 newbuilding ships — the most by one company in one day — the record book shows.

Deliveries of that scale are in the past, for the time being, although river cruise experts say the moderation in fleet growth comes at a time when demand for inland voyages is on the rise.

For