How to use

Ad

function

in

Array

render() {
   const { book } = this.state;
   if (this.state.Loading) {
    return <div>Loading ....</div>
   }
   return (
    <div >
      <div >
       <h1>{book.Ad}</h1>
      </div>
      <div >
       <h1>Id : { book.id }</h1>
       <h1>author : { book.yazar }</h1>
       <h1>publisher : { book.yayinevi }</h1>
       <Link to ="/" className="link">Go to homepage</Link>
      </div>
    </div>
   );
 }