diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..dd143816 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -37,8 +37,8 @@ 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);
+    let book = new Book(title.value, author.value, pages.value, check.value);
+    myLibrary.push(book);
     render();
   }
 }
@@ -54,7 +54,7 @@ function render() {
   let table = document.getElementById("display");
   let rowsNumber = table.rows.length;
   //delete old table
-  for (let n = rowsNumber - 1; n > 0; n-- {
+  for (let n = rowsNumber - 1; n > 0; n--) {
     table.deleteRow(n);
   }
   //insert updated row and cells
@@ -89,12 +89,12 @@ function render() {
     });
 
     //add delete button to every row and render again
-    let delButton = document.createElement("button");
+    let delBut = document.createElement("button");
     delBut.id = i + 5;
     deleteCell.appendChild(delBut);
     delBut.className = "btn btn-warning";
     delBut.innerHTML = "Delete";
-    delBut.addEventListener("clicks", function () {
+    delBut.addEventListener("click", function () {
       alert(`You've deleted title: ${myLibrary[i].title}`);
       myLibrary.splice(i, 1);
       render();