HOME-based travel network TravelManagers has reported a 59% year on year increase in cruise sales in 2010, with growth for Royal Caribbean, P&O Cruises, MSC, Costa and Celebrity.The above snippet is the first part of an article sent to subscribers in Travel Daily's issue from 20 Apr 11 To see the full story, see the embedded issue below or CLICK HERE to download Travel Daily from 20 Apr 11