<Scrollmenu @visible={{@visible}}>
  <span class="label">Chapters:</span>
  <LinkTo @route="commentary-intro" @model={{@book.name}}>Intro</LinkTo>
  {{#each @book.chapters as |chapter|}}
    <Chapter @book={{@book}} @chapter={{chapter}} @active={{this.isChapterActive}} @showVerses={{this.showVerses}} />
  {{/each}}
</Scrollmenu>