text: DROP TABLE IF EXISTS books;
  CREATE TABLE books ( 
    id SERIAL PRIMARY KEY,
    title VARCHAR(255),
    author VARCHAR(255),
    description TEXT,
    image_url VARCHAR(255),
    ISBN_13 VARCHAR(255),
    bookshelf VARCHAR(255)
  );
  
  INSERT INTO books ( title, author, description, image_url, ISBN_13, bookshelf)
  VALUES('peme', 'peter', 'javascript', 'none', 'isbn-34', 'one'),
  ('saturday', 'meron', 'database', 'notavail', 'isbn-25', 'two');