diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..26f537f8 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -37,8 +37,10 @@ function submit() {
     alert("Please fill all fields!");
     return false;
   } else {
-    let book = new Book(title.value, title.value, pages.value, check.checked);
-    library.push(book);
+    //fix: change title.value to author.value
+    let book = new Book(title.value, author.value, pages.value, check.checked);
+    //Fix: change library.push(book) to myLibrary.push(book).
+    myLibrary.push(book);
     render();
   }
 }
@@ -54,7 +56,9 @@ function render() {
   let table = document.getElementById("display");
   let rowsNumber = table.rows.length;
   //delete old table
-  for (let n = rowsNumber - 1; n > 0; n-- {
+  // Fix : add a ) to the end of the for loop condition
+  // to avoid syntax error.
+  for (let n = rowsNumber - 1; n > 0; n--) {
     table.deleteRow(n);
   }
   //insert updated row and cells
@@ -76,7 +80,9 @@ function render() {
     changeBut.className = "btn btn-success";
     wasReadCell.appendChild(changeBut);
     let readStatus = "";
-    if (myLibrary[i].check == false) {
+    // Fix: change myLibrary[i].check to myLibrary[i].check == true
+    // to check if the book is read or not.
+    if (myLibrary[i].check == true) {
       readStatus = "Yes";
     } else {
       readStatus = "No";
@@ -89,12 +95,15 @@ function render() {
     });
 
     //add delete button to every row and render again
+    // Fix : 
+    // change delBut to delButton because we declare it.
+    // The event listener is "clicks" instead of "click".
     let delButton = document.createElement("button");
-    delBut.id = i + 5;
-    deleteCell.appendChild(delBut);
-    delBut.className = "btn btn-warning";
-    delBut.innerHTML = "Delete";
-    delBut.addEventListener("clicks", function () {
+    delButton.id = i + 5;
+    deleteCell.appendChild(delButton);
+    delButton.className = "btn btn-warning";
+    delButton.innerHTML = "Delete";
+    delButton.addEventListener("click", function () {
       alert(`You've deleted title: ${myLibrary[i].title}`);
       myLibrary.splice(i, 1);
       render();