Private Sub Worksheet_SelectionChange(ByVal Target As Range)
If Target.Cells.Count > 1 Then Exit Sub
If Not Intersect(Target, Range("A1:A10")) Is Nothing Then
Target.Font.Name = "Marlett"
If Target = vbNullString Then
Target = "a"
Else
Target = vbNullString
End If
End If
End Sub