diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
index 23acfa71..e24a68f3 100644
--- a/debugging/book-library/index.html
+++ b/debugging/book-library/index.html
@@ -65,7 +65,7 @@ <h1>Library</h1>
           type="submit"
           value="Submit"
           class="btn btn-primary"
-          onclick="submit();"
+          id ="submit-btn"
         />
       </div>
     </div>
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..c7da752c 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,5 +1,4 @@
 let myLibrary = [];
-
 window.addEventListener("load", function (e) {
   populateStorage();
   render();
@@ -16,7 +15,6 @@ function populateStorage() {
     );
     myLibrary.push(book1);
     myLibrary.push(book2);
-    render();
   }
 }
 
@@ -24,6 +22,12 @@ const title = document.getElementById("title");
 const author = document.getElementById("author");
 const pages = document.getElementById("pages");
 const check = document.getElementById("check");
+const submitBtn = document.getElementById("submit-btn");
+
+submitBtn.addEventListener("click", function (event) {
+  event.preventDefault();
+  submit();
+});
 
 //check the right input from forms and if its ok -> add the new book (object in array)
 //via Book function and start render function
@@ -37,8 +41,8 @@ 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.checked);
+    myLibrary.push(book);
     render();
   }
 }
@@ -54,9 +58,9 @@ 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
   let length = myLibrary.length;
   for (let i = 0; i < length; i++) {
@@ -77,9 +81,9 @@ function render() {
     wasReadCell.appendChild(changeBut);
     let readStatus = "";
     if (myLibrary[i].check == false) {
-      readStatus = "Yes";
-    } else {
       readStatus = "No";
+    } else {
+      readStatus = "Yes";
     }
     changeBut.innerText = readStatus;
 
@@ -89,15 +93,16 @@ 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();
     });
   }
 }
+