diff --git a/pdf/README.md b/pdf/README.md
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--- a/pdf/README.md
+++ b/pdf/README.md
@@ -3,3 +3,12 @@
 
 - Por via legado.
 - programaro: [Sumatra PDF](https://www.sumatrapdfreader.org/free-pdf-reader.html)
+
+
+-----
+
+### PDF, ePUB
+
+
+- For your reading.
+- software: [Sumatra PDF](https://www.sumatrapdfreader.org/free-pdf-reader.html)