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diff --git a/Chapter13PracBruteForcePDF.py b/Chapter13PracBruteForcePDF.py
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+#! /usr/bin/env python3
+
+# Chapter 13 Practice Brute-Force PDF Password Breaker
+# USAGE: Change the pdfFile varible below and run the script to try 44,000 English words
+#           from the dictionary.txt file to decrypt the encrypted PDF.
+
+import PyPDF2
+
+pdfFile = open('bruteForce.pdf', 'rb') #Change this file name and location
+pdfReader = PyPDF2.PdfFileReader(pdfFile)
+
+dictionaryFile = open('dictionary.txt')
+passwordList = dictionaryFile.readlines()
+
+for word in range(len(passwordList)):
+    passWord = passwordList[word].strip()
+    passWorkedUpper = pdfReader.decrypt(passWord.upper())
+    if passWorkedUpper == 1:
+        print('The password is: ' + passWord.upper())
+        break
+    else:
+        print(passWord.upper() + ' did NOT work...')
+    passWorkedLower = pdfReader.decrypt(passWord.lower())
+    if passWorkedLower == 1:
+        print('The password is: ' + passWord.lower())
+        break
+    else:
+        print(passWord.lower() + ' did NOT work...') 
+
+dictionaryFile.close()
+pdfFile.close()
+