diff --git a/12/title.txt b/12/title.txt
new file mode 100644
index 0000000..ed5cbe7
--- /dev/null
+++ b/12/title.txt
@@ -0,0 +1 @@
+Capítulo 12
\ No newline at end of file
diff --git a/13/title.txt b/13/title.txt
new file mode 100644
index 0000000..8b419d4
--- /dev/null
+++ b/13/title.txt
@@ -0,0 +1 @@
+Capítulo 13
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index 3e3e8e9..bea7220 100644
--- a/manifest.json
+++ b/manifest.json
@@ -153,6 +153,21 @@
 		"11-10",
 		"11-12",
 		"11-14",
-		"11-16"
+		"11-16",
+		"11-18",
+		"11-20",
+		"11-22",
+		"11-24",
+		"11-27",
+		"11-29",
+		"11-31",
+		"12-title",
+		"12-01",
+		"12-04",
+		"12-06",
+		"12-08",
+		"12-10",
+		"12-14",
+		"12-17"
 	]
 }
\ No newline at end of file