export class GoogleBookService {
  private API_URL = "https://www.googleapis.com/books/v1/volumes";

  constructor(private http: HttpClient) {}

  findBook(title: string): Observable<Book[]> {
    return this.http
      .get<GoogleBooksApiInterface>(`${this.API_URL}?q=${title}`)
      .pipe(map((data: GoogleBooksApiInterface) => data.items));
  }
}