diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..06d19028 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -7,15 +7,9 @@ window.addEventListener("load", function (e) {
 
 function populateStorage() {
   if (myLibrary.length == 0) {
-    let book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true);
-    let book2 = new Book(
-      "The Old Man and the Sea",
-      "Ernest Hemingway",
-      "127",
-      true
-    );
-    myLibrary.push(book1);
-    myLibrary.push(book2);
+    let book1 = new Book("Robinson Crusoe", "Daniel Defoe", "252", true);
+    let book2 = new Book("The Old Man and the Sea", "Ernest Hemingway", "127", true);
+    myLibrary.push(book1, book2);
     render();
   }
 }
@@ -25,39 +19,42 @@ const author = document.getElementById("author");
 const pages = document.getElementById("pages");
 const check = document.getElementById("check");
 
-//check the right input from forms and if its ok -> add the new book (object in array)
-//via Book function and start render function
+function Book(title, author, pages, check) {
+  this.title = title;
+  this.author = author;
+  this.pages = pages;
+  this.check = check;
+}
+
 function submit() {
-  if (
-    title.value == null ||
-    title.value == "" ||
-    pages.value == null ||
-    pages.value == ""
-  ) {
+  // Добавлена проверка автора, так как он тоже важен
+  if (!title.value || !author.value || !pages.value) {
     alert("Please fill all fields!");
     return false;
   } else {
-    let book = new Book(title.value, title.value, pages.value, check.checked);
-    library.push(book);
+    // ИСПРАВЛЕНО: передаем author.value, а не дважды title
+    // ИСПРАВЛЕНО: пушим в myLibrary (а не в library)
+    let book = new Book(title.value, author.value, pages.value, check.checked);
+    myLibrary.push(book);
     render();
+    
+    // Очистим поля, чтобы было красиво
+    title.value = "";
+    author.value = "";
+    pages.value = "";
+    check.checked = false;
   }
 }
 
-function Book(title, author, pages, check) {
-  this.title = title;
-  this.author = author;
-  this.pages = pages;
-  this.check = check;
-}
-
 function render() {
   let table = document.getElementById("display");
   let rowsNumber = table.rows.length;
-  //delete old table
-  for (let n = rowsNumber - 1; n > 0; n-- {
+  
+  // ИСПРАВЛЕНО: добавлена закрывающая скобка в 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++) {
     let row = table.insertRow(1);
@@ -66,38 +63,35 @@ function render() {
     let pagesCell = row.insertCell(2);
     let wasReadCell = row.insertCell(3);
     let deleteCell = row.insertCell(4);
+
     titleCell.innerHTML = myLibrary[i].title;
     authorCell.innerHTML = myLibrary[i].author;
     pagesCell.innerHTML = myLibrary[i].pages;
 
-    //add and wait for action for read/unread button
+    // Кнопка изменения статуса
     let changeBut = document.createElement("button");
-    changeBut.id = i;
-    changeBut.className = "btn btn-success";
+    changeBut.className = "btn btn-success btn-sm"; // btn-sm для компактности
     wasReadCell.appendChild(changeBut);
-    let readStatus = "";
-    if (myLibrary[i].check == false) {
-      readStatus = "Yes";
-    } else {
-      readStatus = "No";
-    }
-    changeBut.innerText = readStatus;
+    
+    // ИСПРАВЛЕНО: Логика статуса (если true -> "Read", если false -> "Not Read")
+    changeBut.innerText = myLibrary[i].check ? "Read" : "Not Read";
 
     changeBut.addEventListener("click", function () {
       myLibrary[i].check = !myLibrary[i].check;
       render();
     });
 
-    //add delete button to every row and render again
-    let delButton = document.createElement("button");
-    delBut.id = i + 5;
+    // Кнопка удаления
+    let delBut = document.createElement("button");
     deleteCell.appendChild(delBut);
-    delBut.className = "btn btn-warning";
+    delBut.className = "btn btn-warning btn-sm";
     delBut.innerHTML = "Delete";
-    delBut.addEventListener("clicks", function () {
+    
+    // ИСПРАВЛЕНО: событие "click" вместо "clicks"
+    delBut.addEventListener("click", function () {
       alert(`You've deleted title: ${myLibrary[i].title}`);
       myLibrary.splice(i, 1);
       render();
     });
   }
-}
+}
\ No newline at end of file