diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..f673a71
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "liveServer.settings.port": 5502
+}
\ No newline at end of file
diff --git a/src/books.js b/src/books.js
index c8119bb..1ebd152 100644
--- a/src/books.js
+++ b/src/books.js
@@ -38,15 +38,51 @@
 
 
 // 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() {
-  // Your code here:
-
+function getBookDetails(book) {
+  return `${book.title} - ${book.author} - ${book.pages} pages`
 }
 
 
@@ -54,12 +90,22 @@ function getBookDetails() {
 // Iteration 3 | Delete Language
 // Your code here:
 
+booksArray.forEach(function (element) {
+  delete element.details.language
+})
 
 
 
 // Iteration 4 | Estimated Reading Time
 // Your code here:
 
+booksArray.forEach(function (element) {
+  element.readingTime = Math.ceil((element.pages * 500) / 90)
+})
+
+console.log(booksArray)
+
+
 
 
 
@@ -69,32 +115,47 @@ function getBookDetails() {
  The book info is stored in arrays with structure: [title, pages]. 
 */
 const dictionary = {
-    "J. K. Rowling": [
-        ["Harry Potter and the Philosopher's Stone", 223],
-        ["Harry Potter and the Chamber of Secrets", 251],
-        ["Harry Potter and the Prisoner of Azkaban", 317],
-        ["Harry Potter and the Goblet of Fire", 636],
-    ],
-    "Neal Stephenson": [
-        ["Cryptonomicon", 928],
-        ["Anathem", 1008],
-        ["Fall; or, Dodge in Hell", 896],
-    ],
-    "Malcolm Gladwell": [
-        ["Outliers", 320],
-        ["Blink", 287],
-    ],
+  "J. K. Rowling": [
+    ["Harry Potter and the Philosopher's Stone", 223],
+    ["Harry Potter and the Chamber of Secrets", 251],
+    ["Harry Potter and the Prisoner of Azkaban", 317],
+    ["Harry Potter and the Goblet of Fire", 636],
+  ],
+  "Neal Stephenson": [
+    ["Cryptonomicon", 928],
+    ["Anathem", 1008],
+    ["Fall; or, Dodge in Hell", 896],
+  ],
+  "Malcolm Gladwell": [
+    ["Outliers", 320],
+    ["Blink", 287],
+  ],
 };
 
-function booksByAuthor() {
-  // Your code here:
-  
+function booksByAuthor(dictionary) {
+  let finalArray = [];
+  const authorArr = Object.keys(dictionary)
+  authorArr.forEach(function (author) {
+    dictionary[author].forEach(function (book) {
+      finalArray.push({
+        title: book[0],
+        pages: book[1],
+        author: author
+      })
+
+    })
+  })
+  return finalArray;
 }
 
 
 
+
 // Bonus: Iteration 6 | Average Page Count
-function averagePageCount() {
-  // Your code here:
-  
+function averagePageCount(books) {
+  let sumPages = 0;
+  books.forEach(function (book) {
+    sumPages += book.pages;
+  })
+  return sumPages / books.length;
 }