diff --git a/classes/Book.js b/classes/Book.js
index ee69d54..4ff8cb2 100644
--- a/classes/Book.js
+++ b/classes/Book.js
@@ -1,6 +1,26 @@
 // import the Media class:
-
+const Media = require("./Media");
 // create your Book class:
-
+class Book extends Media {
+  constructor(title, year, genre, author, numpages, rating) {
+    super(title, year, genre);
+    this.author = author;
+    this.numpages = numpages;
+    this.rating = rating;
+  }
+  summary() {
+    return `Title: ${this.title}, Author: ${this.author}, Year: ${this.year}, Page Count: ${this.numpages}, Genre: ${this.genre}, Rating: ${this.rating}`;
+  }
+  static highestRating(Book) {
+    let highestRatedBook = Book[0];
+    for (let i = 0; i < highestRatedBook.rating; i++) {
+      if (Book[i].rating > highestRatedBook.rating) {
+        highestRatedBook = Book[i];
+      }
+    }
+    return highestRatedBook;
+  }
+}
 // don't change below
 module.exports = Book;
+
diff --git a/classes/Media.js b/classes/Media.js
index d4d718b..eb7c363 100644
--- a/classes/Media.js
+++ b/classes/Media.js
@@ -1,4 +1,19 @@
 // create your Media class:
+// create your Media class:
+class Media {
+  static totalMediaCount = 0;
+  constructor(title, year, genre) {
+    this.title = title;
+    this.year = year;
+    this.genre = genre;
+    Media.totalMediaCount++;
+  }
+  summary() {
+    return `Title: ${this.title}, Year: ${this.year}, Genre: ${this.genre}`;
+  }
+}
+// uncomment below to export it:
+module.exports = Media;
 
 // uncomment below to export it:
 module.exports = Media;