public DataBookInfo BookDataByISBN()
{
Console.WriteLine("\n2: Databook by ISBN\n_________________________________________");
DataBookInfo result = _client.FindNoteByISBN(UserInteraction.EnterISBN().ToString());
if (result == null)
{
Console.WriteLine("No book with this ISBN");
}
else
{
UserInteraction.DisplayDataBook(result, false);
}
return(result);
}