diff --git a/_i18n/ar.yml b/_i18n/ar.yml
index e7599b1e..e3dea54e 100644
--- a/_i18n/ar.yml
+++ b/_i18n/ar.yml
@@ -587,8 +587,8 @@ library:
       abstract: >
         A comprehensive conceptual (and technical) explanation of Monero.<br>
         We endeavor to teach anyone who knows basic algebra and simple computer science concepts like the ‘bit representation’ of a number not only how Monero works at a deep and comprehensive level, but also how useful and beautiful cryptography can be.
-    - name: "Mastering Monero (Preview)"
-      file: "Mastering-Monero-Preview.pdf"
+    - name: "Mastering Monero"
+      file: "https://masteringmonero.com/free-download.html"
       abstract: >
         A guide through the seemingly complex world of Monero.<br>
         It includes:
diff --git a/_i18n/de.yml b/_i18n/de.yml
index 6543bad1..e5c3bfee 100644
--- a/_i18n/de.yml
+++ b/_i18n/de.yml
@@ -588,8 +588,8 @@ library:
       abstract: >
         Eine verständliche Erklärung des Konzeptes (und der Technik) hinter Monero<br>
         Unser Wunsch ist es, jedem mit einem Grundverständnis von Algebra und Grundlagen der Computertechnik, wie beispielsweise der Repräsentation von Zahlen im Binärsystem, nicht nur verständlich beizubringen, wie Monero im Detail funktioniert, sondern auch, wie nützlich und schön Kryptographie sein kann.
-    - name: "Mastering Monero (Vorschau)"
-      file: "Mastering-Monero-Preview.pdf"
+    - name: "Mastering Monero"
+      file: "https://masteringmonero.com/free-download.html"
       abstract: >
         Ein Begleiter durch die scheinbar komplizierte Welt Moneros<br>
         Er enthält:
diff --git a/_i18n/en.yml b/_i18n/en.yml
index e61f515e..597dcd63 100644
--- a/_i18n/en.yml
+++ b/_i18n/en.yml
@@ -592,8 +592,8 @@ library:
       abstract: >
         A comprehensive conceptual (and technical) explanation of Monero.<br>
         We endeavor to teach anyone who knows basic algebra and simple computer science concepts like the ‘bit representation’ of a number not only how Monero works at a deep and comprehensive level, but also how useful and beautiful cryptography can be.
-    - name: "Mastering Monero (Preview)"
-      file: "Mastering-Monero-Preview.pdf"
+    - name: "Mastering Monero"
+      file: "https://masteringmonero.com/free-download.html"
       abstract: >
         A guide through the seemingly complex world of Monero.<br>
         It includes:
@@ -603,7 +603,7 @@ library:
         <li>Details of the Monero decentralized network, peer-to-peer architecture, transaction lifecycle, and security principles.</li>
         <li>Introductions to technical foundations of Monero, intended for developers, engineers, software architects, and curious users.</li>
         <li>New developments such as Kovri, Bulletproofs, Multisignature, Hardware Wallets, etc.</li></ul>
-        See <a href="https://masteringmonero.com/">Mastering Monero</a> website for info about full version.
+        See <a href="https://masteringmonero.com/">Mastering Monero</a> website for information.
   - category: Magazines
     publications:
     - name: "Revuo Monero Q4 2017"
diff --git a/_i18n/es.yml b/_i18n/es.yml
index ee742885..adb2eb8b 100644
--- a/_i18n/es.yml
+++ b/_i18n/es.yml
@@ -587,8 +587,8 @@ library:
       abstract: >
         Una explicación conceptual, comprensiva (y técnica) de Monero.<br>
         Nos esforzamos por enseñar a cualquiera que conozca álgebra básica y conceptos simples de ciencias de la computación, como ‘representación de bits’ de un número, no solamente cómo funciona Monero a un nivel profundo y completo, sino también qué tan útil y bella puede ser la criptografía.
-    - name: "Mastering Monero (Vista previa)"
-      file: "Mastering-Monero-Preview.pdf"
+    - name: "Mastering Monero"
+      file: "https://masteringmonero.com/free-download.html"
       abstract: >
         Una guía a través del aparentemente complejo mundo de Monero.<br>
         Incluye:
diff --git a/_i18n/fr.yml b/_i18n/fr.yml
index 59c49b86..7ef26564 100644
--- a/_i18n/fr.yml
+++ b/_i18n/fr.yml
@@ -589,8 +589,8 @@ library:
       abstract: >
         Une explication conceptuelle (et technique) compréhensible de Monero.<br>
         Nous nous efforçons d'enseigner à tous ceux qui connaissent les bases de l'algèbre et les concepts des sciences de l'informatique simple, comme la ‘représentation binaire’ d'un nombre, non seulement comment fonctionne Monero dans le détail et de manière compréhensible, mais également quelle peut être l'utilité et la beauté de la cryptographie.
-    - name: "Mastering Monero (Preview)"
-      file: "Mastering-Monero-Preview.pdf"
+    - name: "Mastering Monero"
+      file: "https://masteringmonero.com/free-download.html"
       abstract: |
         Un guide à travers le monde apparemment complexe de Monero.<br>
         Il contient :
diff --git a/_i18n/it.yml b/_i18n/it.yml
index f629df1c..4486b414 100644
--- a/_i18n/it.yml
+++ b/_i18n/it.yml
@@ -584,8 +584,8 @@ library:
       abstract: >
         Una spiegazione concettuale (e tecnica) di Monero.<br>
         Proviamo ad insegnare a chiunque conosca l'algebra di base e semplici concetti di informatica come la "rappresentazione di bit" di un numero non solo come Monero funziona in profondità, ma anche come può essere utile e bella la crittografia.
-    - name: "Mastering Monero (Bozza)"
-      file: "Mastering-Monero-Preview.pdf"
+    - name: "Mastering Monero"
+      file: "https://masteringmonero.com/free-download.html"
       abstract: >
         Una guida sul mondo apparentemente complesso di Monero.<br>
         Include:
diff --git a/_i18n/nl.yml b/_i18n/nl.yml
index d9cb491f..2a64910b 100644
--- a/_i18n/nl.yml
+++ b/_i18n/nl.yml
@@ -589,8 +589,8 @@ library:
       abstract: >
         Een uitgebreide conceptuele en technische uitleg van Monero.<br>
         We proberen voor iedereen die elementaire algebra en eenvoudige informaticabegrippen zoals de weergave van cijfers in bits begrijpt, diepgaand en compleet uit te leggen hoe Monero werkt en hoe nuttig en mooi cryptografie kan zijn.
-    - name: "Mastering Monero (preview)"
-      file: "Mastering-Monero-Preview.pdf"
+    - name: "Mastering Monero"
+      file: "https://masteringmonero.com/free-download.html"
       abstract: >
         Een handleiding tot de schijnbaar ingewikkelde wereld van Monero.<br>
         Met onder meer:
diff --git a/_i18n/pl.yml b/_i18n/pl.yml
index e793255b..6981a586 100644
--- a/_i18n/pl.yml
+++ b/_i18n/pl.yml
@@ -588,8 +588,8 @@ library:
       abstract: >
         A comprehensive conceptual (and technical) explanation of Monero.<br>
         We endeavor to teach anyone who knows basic algebra and simple computer science concepts like the ‘bit representation’ of a number not only how Monero works at a deep and comprehensive level, but also how useful and beautiful cryptography can be.
-    - name: "Mastering Monero (Preview)"
-      file: "Mastering-Monero-Preview.pdf"
+    - name: "Mastering Monero"
+      file: "https://masteringmonero.com/free-download.html"
       abstract: >
         A guide through the seemingly complex world of Monero.<br>
         It includes:
diff --git a/_i18n/pt-br.yml b/_i18n/pt-br.yml
index 0f9cea63..ded87176 100644
--- a/_i18n/pt-br.yml
+++ b/_i18n/pt-br.yml
@@ -589,8 +589,8 @@ library:
       abstract: >
         Uma explicação conceitual abrangente (e técnica) do Monero.<br>
         Nos esforçamos para ensinar a qualquer um que entenda álgebra básica e conceitos simples de ciência da computação (como a representação em bits de um número), não somente como o Monero funciona de maneira profunda e abrangente, mas também o quão bela e útil pode ser a criptografia.
-    - name: "Mastering Monero (Prévia)"
-      file: "Mastering-Monero-Preview.pdf"
+    - name: "Mastering Monero"
+      file: "https://masteringmonero.com/free-download.html"
       abstract: >
         Um guia através do aparentemente complexo mundo do Monero.<br>
         Inclui:
diff --git a/_i18n/ru.yml b/_i18n/ru.yml
index 373934c0..886f5385 100644
--- a/_i18n/ru.yml
+++ b/_i18n/ru.yml
@@ -588,8 +588,8 @@ library:
       abstract: >
         Полное концептуальное (и техническое) объяснение Monero.<br>
         Мы стремимся научить любого, кто знаком с базовой алгеброй и простыми понятиями информатики, такими как "битовое представление" числа, не только тому, как Monero работает на глубоком и всеобъемлющем уровне, но также и тому, насколько полезной и красивой может быть криптография.
-    - name: "Mastering Monero (Preview)"
-      file: "Mastering-Monero-Preview.pdf"
+    - name: "Mastering Monero"
+      file: "https://masteringmonero.com/free-download.html"
       abstract: >
         Руководство по, казалось бы, сложному миру Monero.<br>
         Оно включает:
diff --git a/_i18n/tr.yml b/_i18n/tr.yml
index 4a467122..a2c4c99b 100644
--- a/_i18n/tr.yml
+++ b/_i18n/tr.yml
@@ -588,8 +588,8 @@ library:
       abstract: >
         Monero'nun kapsamlı kavramsal (ve teknik) bir açıklaması.<br>
         Temel cebir ve bir sayının 'bit temsili' gibi basit bilgisayar bilimi kavramları bilen herkese sadece Monero'nun derin ve kapsamlı bir seviyede nasıl işlediğini değil, ayrıca kriptografinin ne kadar kullanışlı ve güzel olabileceğini öğretmeye çabalıyoruz.
-    - name: "Monero'da Ustalaşmak (Önizleme)"
-      file: "Mastering-Monero-Preview.pdf"
+    - name: "Monero'da Ustalaşmak"
+      file: "https://masteringmonero.com/free-download.html"
       abstract: >
         Monero'nun karışık görünen dünyasına bir rehber.<br>
         Şunları içerir:
diff --git a/_i18n/zh-cn.yml b/_i18n/zh-cn.yml
index bd2f63b5..a2b888db 100644
--- a/_i18n/zh-cn.yml
+++ b/_i18n/zh-cn.yml
@@ -587,8 +587,8 @@ library:
       abstract: >
         门罗币全面的技术和概念层面的解释。<br>
         我们在此书中将协助您从最基本的代数和简单的计算机概念学起，比如一个数字如何用比特的方式进行表达。我们还会协助您从更深和更全面的角度理解门罗币是如何运作的，同时我们也希望您能在此书中体会到加密算法的有用之处，并感受到这不仅仅是计算机技术，更是一门美妙且精确的艺术。
-    - name: "精通门罗币(预览版)"
-      file: "Mastering-Monero-Preview.pdf"
+    - name: "精通门罗币"
+      file: "https://masteringmonero.com/free-download.html"
       abstract: >
         一本能让你在看似复杂的门罗世界里畅游无阻的指南。<br>
         其中包括:
diff --git a/_i18n/zh-tw.yml b/_i18n/zh-tw.yml
index ea238590..b0c002ce 100644
--- a/_i18n/zh-tw.yml
+++ b/_i18n/zh-tw.yml
@@ -586,8 +586,8 @@ library:
       abstract: >
         A comprehensive conceptual (and technical) explanation of Monero.<br>
         We endeavor to teach anyone who knows basic algebra and simple computer science concepts like the ‘bit representation’ of a number not only how Monero works at a deep and comprehensive level, but also how useful and beautiful cryptography can be.
-    - name: "Mastering Monero (Preview)"
-      file: "Mastering-Monero-Preview.pdf"
+    - name: "Mastering Monero"
+      file: "https://masteringmonero.com/free-download.html"
       abstract: >
         A guide through the seemingly complex world of Monero.<br>
         It includes:
diff --git a/library/Mastering-Monero-Preview.pdf b/library/Mastering-Monero-Preview.pdf
deleted file mode 100644
index d66c9721..00000000
Binary files a/library/Mastering-Monero-Preview.pdf and /dev/null differ
diff --git a/library/index.md b/library/index.md
index 4c2736be..764a633b 100644
--- a/library/index.md
+++ b/library/index.md
@@ -14,7 +14,11 @@ permalink: /library/index.html
         <h2>{{ book.category }}</h2>
         <div>
           {% for publication in book.publications %}
-            <h3><a href="{{ site.baseurl_root }}/library/{{ publication.file }}">{{ publication.name }}</a></h3>
+            {% if publication.file contains 'https' %}
+              <h3><a href="{{ publication.file }}">{{ publication.name }}</a></h3>
+            {% else %}
+              <h3><a href="{{ site.baseurl_root }}/library/{{ publication.file }}">{{ publication.name }}</a></h3>
+            {% endif %}
             <p>{{ publication.abstract }}</p>
           {% endfor %}
         </div>
@@ -25,4 +29,4 @@ permalink: /library/index.html
 
 <div class="untranslated {% t library.translated %}">
     <p>{% t global.untranslated %} <a class="untranslated-link" href="https://repo.getmonero.org/monero-project/monero-site/blob/master/README.md#140-how-to-translate-a-page">README</a>.</p>
-</div>
\ No newline at end of file
+</div>