Education and activity travel group Holidaybreak confirmed that it has sold London theatre ticket agent West End Theatre Bookings to Encore Tickets for approximately £10.9m.West End Theatre Bookings, part of Hotel Breaks Division, was paid for in cash upon completion and the disposal proceeds will be used to reduce Holidaybreak's debt.Commenting on the sale, Holidaybreak chief executive Martin Davies said, "The sale demonstrates our commitment to strengthen the Education share of the group as part of our longer term growth strategy to become the leading educational travel provider in Europe."In the year ended 30 September 2010, West End Theatre Bookings made an operating profit of £1.0m on revenue of £20.3m. Gross assets at 30 September 2010 were £4.7m. At 8:36am in London, shares of Holidaybreak were trading at 290p, down 7.5pCJ