diff --git a/audiobooks.md b/audiobooks.md
index c929b4d..3a7f8d1 100755
--- a/audiobooks.md
+++ b/audiobooks.md
@@ -9,6 +9,10 @@
 
 <pre>magnet:?xt=urn:btih:bf60338d499a40e4e99ca8edffda9447402a29de&dn=Lenin+-+The+State+and+Revolution+%5Baudiobook%5D+by+dessalines&tr=udp%3A%2F%2Ftracker.leechers-paradise.org%3A6969&tr=udp%3A%2F%2Fzer0day.ch%3A1337&tr=udp%3A%2F%2Fopen.demonii.com%3A1337&tr=udp%3A%2F%2Ftracker.coppersurfer.tk%3A6969&tr=udp%3A%2F%2Fexodus.desync.com%3A6969</pre>
 
+[Engels - Socialism - Utopian and Scientific](magnet:?xt=urn:btih:676a3acf1baa5e5bbd26dea9b95272e5ba252fb6&dn=Engels%20-%20Socialism%20-%20Utopian%20and%20Scientific%20%5baudiobook%5d%20by%20dessalines&tr=udp%3a%2f%2ftracker.coppersurfer.tk%3a6969%2fannounce&tr=udp%3a%2f%2ftracker.open-internet.nl%3a6969%2fannounce&tr=udp%3a%2f%2f9.rarbg.to%3a2710%2fannounce&tr=udp%3a%2f%2ftracker.skyts.net%3a6969%2fannounce&tr=udp%3a%2f%2ftracker.piratepublic.com%3a1337%2fannounce)
+
+<pre>magnet:?xt=urn:btih:676a3acf1baa5e5bbd26dea9b95272e5ba252fb6&dn=Engels%20-%20Socialism%20-%20Utopian%20and%20Scientific%20%5baudiobook%5d%20by%20dessalines&tr=udp%3a%2f%2ftracker.coppersurfer.tk%3a6969%2fannounce&tr=udp%3a%2f%2ftracker.open-internet.nl%3a6969%2fannounce&tr=udp%3a%2f%2f9.rarbg.to%3a2710%2fannounce&tr=udp%3a%2f%2ftracker.skyts.net%3a6969%2fannounce&tr=udp%3a%2f%2ftracker.piratepublic.com%3a1337%2fannounce</pre>
+
 [Trotsky - Fascism - What it is and How to Fight It](magnet:?xt=urn:btih:d1f28f0c1b89ddd9a39205bef0be3715d117f91b&dn=Trotsky+-+Fascism+-+What+it+is+and+How+to+Fight+it+%5Baudiobook%5D&tr=udp%3A%2F%2Ftracker.leechers-paradise.org%3A6969&tr=udp%3A%2F%2Fzer0day.ch%3A1337&tr=udp%3A%2F%2Fopen.demonii.com%3A1337&tr=udp%3A%2F%2Ftracker.coppersurfer.tk%3A6969&tr=udp%3A%2F%2Fexodus.desync.com%3A6969)
 
 <pre>magnet:?xt=urn:btih:d1f28f0c1b89ddd9a39205bef0be3715d117f91b&dn=Trotsky+-+Fascism+-+What+it+is+and+How+to+Fight+it+%5Baudiobook%5D&tr=udp%3A%2F%2Ftracker.leechers-paradise.org%3A6969&tr=udp%3A%2F%2Fzer0day.ch%3A1337&tr=udp%3A%2F%2Fopen.demonii.com%3A1337&tr=udp%3A%2F%2Ftracker.coppersurfer.tk%3A6969&tr=udp%3A%2F%2Fexodus.desync.com%3A6969</pre>
diff --git a/crash_course_socialism.md b/crash_course_socialism.md
index e475b96..f05d0c8 100755
--- a/crash_course_socialism.md
+++ b/crash_course_socialism.md
@@ -248,6 +248,8 @@ Past and present socialist/anarchist societies include - [Revolutionary Cataloni
 
 [Dr Gabor Maté - Why Capitalism Makes Us Sick](https://www.youtube.com/watch?v=AaAJQR_9Dg8)
 
+[The Philosophy of Antifa (Philosophy Tube)](https://www.youtube.com/watch?v=bgwS_FMZ3nQ)
+
 ## Literature
 
 ### Modern introductory books
@@ -338,6 +340,10 @@ Past and present socialist/anarchist societies include - [Revolutionary Cataloni
 
 <pre>magnet:?xt=urn:btih:bf60338d499a40e4e99ca8edffda9447402a29de&dn=Lenin+-+The+State+and+Revolution+%5Baudiobook%5D+by+dessalines&tr=udp%3A%2F%2Ftracker.leechers-paradise.org%3A6969&tr=udp%3A%2F%2Fzer0day.ch%3A1337&tr=udp%3A%2F%2Fopen.demonii.com%3A1337&tr=udp%3A%2F%2Ftracker.coppersurfer.tk%3A6969&tr=udp%3A%2F%2Fexodus.desync.com%3A6969</pre>
 
+[Engels - Socialism - Utopian and Scientific](magnet:?xt=urn:btih:676a3acf1baa5e5bbd26dea9b95272e5ba252fb6&dn=Engels%20-%20Socialism%20-%20Utopian%20and%20Scientific%20%5baudiobook%5d%20by%20dessalines&tr=udp%3a%2f%2ftracker.coppersurfer.tk%3a6969%2fannounce&tr=udp%3a%2f%2ftracker.open-internet.nl%3a6969%2fannounce&tr=udp%3a%2f%2f9.rarbg.to%3a2710%2fannounce&tr=udp%3a%2f%2ftracker.skyts.net%3a6969%2fannounce&tr=udp%3a%2f%2ftracker.piratepublic.com%3a1337%2fannounce)
+
+<pre>magnet:?xt=urn:btih:676a3acf1baa5e5bbd26dea9b95272e5ba252fb6&dn=Engels%20-%20Socialism%20-%20Utopian%20and%20Scientific%20%5baudiobook%5d%20by%20dessalines&tr=udp%3a%2f%2ftracker.coppersurfer.tk%3a6969%2fannounce&tr=udp%3a%2f%2ftracker.open-internet.nl%3a6969%2fannounce&tr=udp%3a%2f%2f9.rarbg.to%3a2710%2fannounce&tr=udp%3a%2f%2ftracker.skyts.net%3a6969%2fannounce&tr=udp%3a%2f%2ftracker.piratepublic.com%3a1337%2fannounce</pre>
+
 [Trotsky - Fascism - What it is and How to Fight It](magnet:?xt=urn:btih:d1f28f0c1b89ddd9a39205bef0be3715d117f91b&dn=Trotsky+-+Fascism+-+What+it+is+and+How+to+Fight+it+%5Baudiobook%5D&tr=udp%3A%2F%2Ftracker.leechers-paradise.org%3A6969&tr=udp%3A%2F%2Fzer0day.ch%3A1337&tr=udp%3A%2F%2Fopen.demonii.com%3A1337&tr=udp%3A%2F%2Ftracker.coppersurfer.tk%3A6969&tr=udp%3A%2F%2Fexodus.desync.com%3A6969)
 
 <pre>magnet:?xt=urn:btih:d1f28f0c1b89ddd9a39205bef0be3715d117f91b&dn=Trotsky+-+Fascism+-+What+it+is+and+How+to+Fight+it+%5Baudiobook%5D&tr=udp%3A%2F%2Ftracker.leechers-paradise.org%3A6969&tr=udp%3A%2F%2Fzer0day.ch%3A1337&tr=udp%3A%2F%2Fopen.demonii.com%3A1337&tr=udp%3A%2F%2Ftracker.coppersurfer.tk%3A6969&tr=udp%3A%2F%2Fexodus.desync.com%3A6969</pre>
diff --git a/socialism_faq.md b/socialism_faq.md
index ad1f049..c309031 100755
--- a/socialism_faq.md
+++ b/socialism_faq.md
@@ -74,6 +74,7 @@
 * [Is socialism the lowest stage of communism or is it the transition to communism, in between capitalism and communism?](https://www.reddit.com/r/communism101/comments/2rijno/is_socialism_the_lowest_stage_of_communism_or_is/)
 * [Were the nazis socialist? What about national socialism, the national socialist movement (NSM), and the national front?](https://www.snopes.com/news/2017/09/05/were-nazis-socialists/), [2](https://www.reddit.com/r/Socialism_101/comments/79kvin/what_is_the_difference_between_socialists_here/)
 * [What is Fascism?](http://www.nybooks.com/articles/1995/06/22/ur-fascism/)
+* [What was Engels Contribution to Marxism?](https://necessityandfreedom.wordpress.com/2017/04/16/without-engels-there-would-be-no-marxism/)
 
 ## Didn't communism fail? It works on paper but not in practice.