diff --git a/Ficdown.Console/Program.cs b/Ficdown.Console/Program.cs
index c5a94b9..37185bd 100644
--- a/Ficdown.Console/Program.cs
+++ b/Ficdown.Console/Program.cs
@@ -27,6 +27,8 @@
             string tempdir = null;
             string format = null;
             string author = null;
+            string bookid = null;
+            string language = "en";
             string images = null;
             var debug = false;
 
@@ -59,6 +61,12 @@
                         case "--author":
                             author = args[i + 1];
                             break;
+                        case "--bookid":
+                            bookid = args[i + 1];
+                            break;
+                        case "--language":
+                            language = args[i + 1];
+                            break;
                         case "--images":
                             images = args[i + 1];
                             break;
@@ -140,7 +148,7 @@
             {
                 case "html":
                     Directory.CreateDirectory(output);
-                    rend = new HtmlRenderer();
+                    rend = new HtmlRenderer(language);
                     break;
                 case "epub":
                     if (string.IsNullOrWhiteSpace(author))
@@ -148,7 +156,7 @@
                         Console.WriteLine(@"Epub format requires the --author argument.");
                         return 1;
                     }
-                    rend = new EpubRenderer(author);
+                    rend = new EpubRenderer(author, bookid, language);
                     break;
                 default:
                     ShowHelp();
@@ -183,6 +191,8 @@
     [--template ""/path/to/template/dir""]
     [--images ""/path/to/images/dir""]
     [--author ""Author Name""]
+    [--bookid ""ePub Book ID""]
+    [--language ""language""]
     [--debug]");
         }
     }
diff --git a/Ficdown.Parser.Tests/IntegrationTests.cs b/Ficdown.Parser.Tests/IntegrationTests.cs
index abf4676..7df5597 100644
--- a/Ficdown.Parser.Tests/IntegrationTests.cs
+++ b/Ficdown.Parser.Tests/IntegrationTests.cs
@@ -21,7 +21,7 @@
             {
                 File.Delete(file);
             }
-            var rend = new HtmlRenderer();
+            var rend = new HtmlRenderer("en");
             rend.Render(story, path, true);
         }
     }
diff --git a/Ficdown.Parser/Render/EpubRenderer.cs b/Ficdown.Parser/Render/EpubRenderer.cs
index a7eae5d..c7a6eeb 100644
--- a/Ficdown.Parser/Render/EpubRenderer.cs
+++ b/Ficdown.Parser/Render/EpubRenderer.cs
@@ -90,10 +90,14 @@
     public class EpubRenderer : HtmlRenderer
     {
         private readonly string _author;
+        private readonly string _bookId;
+        private readonly string _language;
 
-        public EpubRenderer(string author) : base()
+        public EpubRenderer(string author, string bookId, string language) : base(language)
         {
             _author = author;
+            _bookId = bookId ?? Guid.NewGuid().ToString("D");
+            _language = language ?? "en";
         }
 
         public override void Render(Model.Parser.ResolvedStory story, string outPath, bool debug = false)
@@ -113,6 +117,8 @@
                 select new Chapter(Path.Combine(temppath, fname), fname, fname.Replace(".html", string.Empty)));
 
             var epub = new Epub(Story.Name, _author, chapters);
+            epub.BookId = _bookId;
+            epub.Language = _language;
             epub.AddResourceFile(new ResourceFile("styles.css", Path.Combine(temppath, "styles.css"), "text/css"));
 
             if (!string.IsNullOrWhiteSpace(ImageDir))
diff --git a/Ficdown.Parser/Render/HtmlRenderer.cs b/Ficdown.Parser/Render/HtmlRenderer.cs
index 9ad6160..b1e521a 100644
--- a/Ficdown.Parser/Render/HtmlRenderer.cs
+++ b/Ficdown.Parser/Render/HtmlRenderer.cs
@@ -9,6 +9,8 @@
 
     public class HtmlRenderer : IRenderer
     {
+        private readonly string _language;
+
         protected readonly Markdown Markdown;
 
         public string IndexTemplate { get; set; }
@@ -18,8 +20,9 @@
 
         protected ResolvedStory Story { get; set; }
 
-        public HtmlRenderer()
+        public HtmlRenderer(string language)
         {
+            _language = language;
             Markdown = new Markdown();
         }
 
@@ -39,6 +42,7 @@
         {
             var index = FillTemplate(IndexTemplate ?? Template.Index, new Dictionary<string, string>
             {
+                {"Language", _language},
                 {"Title", story.Name},
                 {"Description", Markdown.Transform(story.Description)},
                 {"FirstScene", string.Format("{0}.html", story.FirstPage)}
@@ -64,6 +68,7 @@
 
                 var scene = FillTemplate(SceneTemplate ?? Template.Scene, new Dictionary<string, string>
                 {
+                    {"Language", _language},
                     {"Title", story.Name},
                     {"Content", Markdown.Transform(content)}
                 });
diff --git a/Ficdown.Parser/Render/Views/index.html b/Ficdown.Parser/Render/Views/index.html
index 862043b..12f0dfb 100644
--- a/Ficdown.Parser/Render/Views/index.html
+++ b/Ficdown.Parser/Render/Views/index.html
@@ -1,8 +1,9 @@
-<!DOCTYPE html>
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
 
-<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
+<html lang="@Language" xmlns="http://www.w3.org/1999/xhtml">
 <head>
-    <meta charset="utf-8" />
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     <title>@Title</title>
     <link rel="stylesheet" type="text/css" href="styles.css"/>
 </head>
@@ -11,4 +12,4 @@
         @Description
         <p><a href="@FirstScene">Begin reading...</a></p>
     </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/Ficdown.Parser/Render/Views/scene.html b/Ficdown.Parser/Render/Views/scene.html
index 358f193..a14c5f2 100644
--- a/Ficdown.Parser/Render/Views/scene.html
+++ b/Ficdown.Parser/Render/Views/scene.html
@@ -1,12 +1,13 @@
-<!DOCTYPE html>
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
 
-<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
+<html lang="@Language" xmlns="http://www.w3.org/1999/xhtml">
 <head>
-    <meta charset="utf-8" />
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     <title>@Title</title>
     <link rel="stylesheet" type="text/css" href="styles.css" />
 </head>
 <body>
     @Content
 </body>
-</html>
\ No newline at end of file
+</html>