diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..6f3a291
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "liveServer.settings.port": 5501
+}
\ No newline at end of file
diff --git a/src/books.js b/src/books.js
index c8119bb..e48ba09 100644
--- a/src/books.js
+++ b/src/books.js
@@ -1,67 +1,62 @@
 // Iteration 1 | Books Array
-
-// Book 1
-// title: The Old Man and the Sea
-// pages: 128
-// author: Ernest Hemingway
-// details: {
-//    language: English
-//    description: One of Hemingway's most famous works, it tells the story of Santiago...
-// }
-
-// Book 2
-// title: The Airbnb Story
-// pages: 256
-// author: Leight Gallagher
-// details: {
-//    language: English
-//    description: This is the remarkable behind-the-scenes story of the creation and growth of Airbnb...
-// }
-
-// Book 3
-// title: Educated - A Memoir
-// pages: 352
-// author: Tara Westover
-// details: {
-//    language: English
-//    description: Educated is an account of the struggle for self-invention...
-// }
-
-// Book 4
-// title: The Art of Learning
-// pages: 288
-// author: Josh Waitzkin
-// details: {
-//    language: English
-//    description: The Art of Learning takes readers through Waitzkin's unique journey to excellence. He explains in clear detail how a well-thought-out, principled approach to learning is what separates success from failure.
-// }
-
-
 // Your code here:
-const booksArray = [];
-
-
-
+const booksArray = [
+  {
+    title: "The Old Man and the Sea",
+    pages: 128,
+    author: "Ernest Hemingway",
+    details: {
+      language: "English",
+      description: "One of Hemingway's most famous works, it tells the story of Santiago...",
+    },
+  },
+  {
+    title: "The Airbnb Story",
+    pages: 256,
+    author: "Leight Gallagher",
+    details: {
+      language: "English",
+      description: "This is the remarkable behind-the-scenes story of the creation and growth of Airbnb...",
+    },
+  },
+  {
+    title: "Educated - A Memoir",
+    pages: 352,
+    author: "Tara Westover",
+    details: {
+      language: "English",
+      description: "Educated is an account of the struggle for self-invention...",
+    },
+  },
+  {
+    title: "The Art of Learning",
+    pages: 288,
+    author: "Josh Waitzkin",
+    details: {
+      language: "English",
+      description: "The Art of Learning takes readers through Waitzkin's unique journey to excellence. He explains in clear detail how a well-thought-out, principled approach to learning is what separates success from failure.",
+    },
+  },
+];
 
 // Iteration 2 | Book Details
-function getBookDetails() {
+function getBookDetails(book) {
   // Your code here:
-
+  return `${book.title} - ${book.author} - ${book.pages} pages`
 }
 
-
-
 // Iteration 3 | Delete Language
 // Your code here:
-
-
-
+booksArray.forEach( book => {
+  delete book.details.language
+})
 
 // Iteration 4 | Estimated Reading Time
 // Your code here:
-
-
-
+booksArray.forEach(book => {
+  let readingTimeInMin = Math.ceil((book.pages * 500) / 90);
+  book.readingTime = readingTimeInMin
+})
 
 // Bonus: Iteration 5 | Books Dictionary
 
@@ -86,15 +81,33 @@ const dictionary = {
     ],
 };
 
-function booksByAuthor() {
+function booksByAuthor(dictionary) {
   // Your code here:
+  const newArray = []
   
+  for(let author in dictionary) {
+    const books = dictionary[author]
+   
+    for(let i=0; i < books.length; i++){
+      newArray.push({
+        author: author,
+        title: books[i][0],
+        pages: books[i][1],
+      })
+    }
+  }
+  return newArray
 }
 
-
-
 // Bonus: Iteration 6 | Average Page Count
-function averagePageCount() {
+function averagePageCount(booksArray) {
   // Your code here:
-  
+  let sum = 0;
+
+  for(let i=0; i < booksArray.length; i++) {
+    sum += booksArray[i].pages
+  }
+
+  let average = sum / booksArray.length
+  return average;
 }