diff --git a/ram/portal/templates/cards/book.html b/ram/portal/templates/cards/book.html
index 187a0c8..895e107 100644
--- a/ram/portal/templates/cards/book.html
+++ b/ram/portal/templates/cards/book.html
@@ -1,8 +1,12 @@
+{% load static %}
 {% load dynamic_url %}
         <div class="col">
           <div class="card shadow-sm">
             {% if d.item.image.exists %}
             <a href="{{d.item.get_absolute_url}}"><img class="card-img-top" src="{{ d.item.image.first.image.url }}" alt="{{ d.item }}"></a>
+            {% else %}
+            <!-- Do not show the "Coming soon" image when running in a single card column mode (e.g. on mobile) -->
+            <a href="{{d.item.get_absolute_url}}"><img class="card-img-top d-none d-sm-block" src="{% static DEFAULT_CARD_IMAGE %}" alt="{{ d.item }}"></a>
             {% endif %}
             <div class="card-body">
               <p class="card-text" style="position: relative;">