diff --git a/src/books.js b/src/books.js
index c8119bb..5fdd1be 100644
--- a/src/books.js
+++ b/src/books.js
@@ -5,10 +5,11 @@
 // pages: 128
 // author: Ernest Hemingway
 // details: {
-//    language: English
+//    {language: English}
 //    description: One of Hemingway's most famous works, it tells the story of Santiago...
 // }
 
+
 // Book 2
 // title: The Airbnb Story
 // pages: 256
@@ -38,29 +39,80 @@
 
 
 // Your code here:
-const booksArray = [];
+const book1 = {
+  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..."
+    }
+}
+
+const book2 = {
+  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..."
+    }
+}
+
+const book3 = {
+  title:"Educated - A Memoir",
+  pages: 352,
+  author: "Tara Westover",
+  details: {
+      language: "English",
+      description: "Educated is an account of the struggle for self-invention..."
+    }
+}
+
+const book4 = {
+  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."
+    }
+}
+
+booksArray = [
+  book1,
+  book2,
+  book3,
+  book4
+]
 
 
 
 
 // Iteration 2 | Book Details
-function getBookDetails() {
+function getBookDetails(book) {
   // Your code here:
-
+  const bookDetails = Object.values(booksArray);
+  return `${book.title} - ${book.author} - ${book.pages} pages`;
 }
 
 
 
 // Iteration 3 | Delete Language
 // Your code here:
+booksArray.forEach(function(book) {
+  delete book.details.language;
+});
 
-
+console.log(booksArray);
 
 
 // Iteration 4 | Estimated Reading Time
 // Your code here:
-
-
+booksArray.forEach(function(book) {
+  const time = (book.pages * 500) / 90;
+    book.readingTime = Math.ceil(time);
+});
 
 
 // Bonus: Iteration 5 | Books Dictionary