gistfile1.rb

#block-books
  #sectionDisciplines0.sectionDisciplines      
    - @books.each do |b|
      .book-item
        - if b.matter_id == @ids[0]
          %a{:href => ""}
            = image_tag b.avatar.url
          %a.title-item-book{:href => ""}
            %p 
              = b.name
          %p 
            = b.publisher

  #sectionDisciplines1.sectionDisciplines
    - @books.each do |b|
      .book-item 
        - if b.matter_id == @ids[1]
          %a{:href => ""}
            = image_tag b.avatar.url
          %a.title-item-book{:href => ""}
            %p 
              = b.name
          %p 
            = b.publisher