diff --git a/classes/Book.js b/classes/Book.js
index ee69d54..0c36370 100644
--- a/classes/Book.js
+++ b/classes/Book.js
@@ -1,6 +1,28 @@
 // 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(arr){
+        let rating = 0
+        let index =0
+        for (let i=0;i<arr.length;i++){
+            if (rating<arr[i].rating){
+                rating = arr[i].rating
+                index = i
+            }
+        }
+        return arr[index]
+    }
+}
 // don't change below
 module.exports = Book;
diff --git a/classes/Media.js b/classes/Media.js
index d4d718b..30eafd7 100644
--- a/classes/Media.js
+++ b/classes/Media.js
@@ -1,4 +1,20 @@
 // 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;
diff --git a/package-lock.json b/package-lock.json
index 47c194a..55202d5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4717,7 +4717,8 @@
     "jest-pnp-resolver": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/jest-pnp-resolver/-/jest-pnp-resolver-1.2.3.tgz",
-      "integrity": "sha512-+3NpwQEnRoIBtx4fyhblQDPgJI0H1IEIkX7ShLUjPGA7TtUTvI1oiKi3SR4oBR0hQhQR80l4WAe5RrXBwWMA8w=="
+      "integrity": "sha512-+3NpwQEnRoIBtx4fyhblQDPgJI0H1IEIkX7ShLUjPGA7TtUTvI1oiKi3SR4oBR0hQhQR80l4WAe5RrXBwWMA8w==",
+      "requires": {}
     },
     "jest-regex-util": {
       "version": "29.4.3",