diff --git a/build.sh b/build.sh
index b71b4fd..cd5aa83 100755
--- a/build.sh
+++ b/build.sh
@@ -13,7 +13,9 @@ for slide in ${slidedecks[@]}; do
         cd ${slide}
         if test -f "slide_nl.tex"; then
                 pdflatex slide_nl.tex
-                pdflatex slide_nl.tex
+        fi
+        if test -f "slide_es.tex"; then
+                pdflatex slide_es.tex
         fi
         pdflatex slide.tex
         pdflatex slide.tex
@@ -30,6 +32,10 @@ for slide in ${slidedecks[@]}; do
                 cp slide_nl.pdf ../output/${slide}_nl.pdf
                 rm slide_nl.pdf
         fi
+        if test -f "slide_es.tex"; then
+                cp slide_es.pdf ../output/${slide}_es.pdf
+                rm slide_es.pdf
+        fi
         cd ..
         echo "--- Finished building ${slide}"
 done
diff --git a/output/0-intro-shorter_es.pdf b/output/0-intro-shorter_es.pdf
new file mode 100644
index 0000000..6e5013c
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diff --git a/output/1-misp-usage_es.pdf b/output/1-misp-usage_es.pdf
new file mode 100644
index 0000000..27000bc
Binary files /dev/null and b/output/1-misp-usage_es.pdf differ