public void BooksFromJSON(string path)
{
StreamReader fread = new StreamReader(path);
LibInfo lib = new LibInfo();
while (!fread.EndOfStream)
{
lib.AddLiterature(JsonSerializer.Deserialize <Book>(fread.ReadLine()));
}
fread.Close();
//var result = Books.Union(lib.Books);
for (int i = 0; i < lib.BooksAmount(); i++)
{
Books.Add(lib.Books[i]);
}
}
