link_to in rails code example

Example 1: rails link_to class

<%= link_to "Get More Books", books_path, class: "index-link" %>

Example 2: rails link to

<%= link_to "Improve Your Ruby Skills", book_path(@book) %>

Example 3: link to do rails

<%= link_to books_path do %>
  <%= image_tag "Book Collection" %>
<% end %>