public string SearchByAuthor(string _author)
{
var item = BookList.FirstOrDefault(o => o.Author == _author);
if (item != null)
{
string bookDetails;
bookDetails = String.Format("BOOK FOUND WITH AUTHOR " + _author + ": Book Name: {0}, Book Author: {1}, Book Publisher: {2}", item.Title, item.Author, item.Publisher);
return(bookDetails);
}
else
{
return("No book found");
}
}
bool IsBookExist(string name)
{
return(BookList.FirstOrDefault(b => b.Name == name) != null);
}