text: import React, { Component } from 'react';
  import Reader from '../components/Reader';
  import findBook from '../utils/find-book';
  
  export default class ReaderPage extends Component {
    render() {
      const selected = findBook(this.props.books, this.props.params.bookId);
      return (
        <Reader book={selected} />
      );
    }
  }
  