text: const bookConfig = {
      title: {
          selector: 'h1 span',
          type: 'text'
      },
      author: {
          selector: '#info span>a',
          type: 'text'
      },
      score: {
          selector: '#interest_sectl strong[class="ll rating_num "]',
          type: 'text'
      },
      intro: {
          selector: '#link-report div.intro',
          type: 'text'
      },
      tags: {
          selector: '#db-tags-section .indent span>a',
          type: 'array-text'
      }
  }
  
  module.exports = bookConfig