Linq Query using Case statement

var qry = (from a in MasterTitles
          join d in TitleDetails on a.MyID equals d.MyID into grp
          from g in grp.DefaultIfEmpty()
          select new
          {
              MyID  = a.MyID,
              Title = grp != null ? string.Concat(a.Title, " *") : string.Empty
              //define next fields here
          }).Distinct();