diff --git a/phone-book.js b/phone-book.js
index 69fb468..d14d060 100644
--- a/phone-book.js
+++ b/phone-book.js
@@ -1,24 +1,50 @@
 'use strict';
+function isValidPhone(phone) {
+    return /^([0-9]){10}$/.test(phone);
+}
 
 /**
  * Сделано задание на звездочку
  * Реализован метод importFromCsv
  */
-exports.isStar = true;
+exports.isStar = false;
 
 /**
  * Телефонная книга
  */
-var phoneBook;
+var phoneBook = [];
 
 /**
  * Добавление записи в телефонную книгу
  * @param {String} phone
  * @param {String} name
  * @param {String} email
+ * @returns {Bool} result
  */
 exports.add = function (phone, name, email) {
+    for (var i = 0; i < phoneBook.length; i++) {
+        if (phone === phoneBook[i].phone || phoneBook[i].email === email) {
+            return false;
+        }
+    }
+    if (arguments.length > 3) {
 
+        return false;
+    }
+    if (!isValidPhone(phone)) {
+
+        return false;
+    }
+    if (name === undefined) {
+        return false;
+    }
+    phoneBook.push({
+        phone: phone,
+        name: name,
+        email: email
+    });
+
+    return true;
 };
 
 /**
@@ -26,27 +52,81 @@ exports.add = function (phone, name, email) {
  * @param {String} phone
  * @param {String} name
  * @param {String} email
+ * @returns {Bool} result
  */
 exports.update = function (phone, name, email) {
+    for (var i = 0; i < phoneBook.length; i++) {
+        if (phone === phoneBook[i].phone) {
+            phoneBook[i].name = name;
+            phoneBook[i].email = email;
+        }
+    }
 
+    return true;
 };
 
 /**
  * Удаление записей по запросу из телефонной книги
  * @param {String} query
+ * @returns {Number} resultOfOperation
  */
 exports.findAndRemove = function (query) {
+    var numberOfDelete = 0;
+    for (var i = 0; i < phoneBook.length; i++) {
+        if (phoneBook[i].phone.indexOf(query) !== -1 ||
+        phoneBook[i].name.indexOf(query) !== -1 ||
+        (phoneBook[i].email !== undefined && phoneBook[i].email.indexOf(query) !== -1)) {
+            phoneBook.splice(i, 1);
+            i--;
+            numberOfDelete++;
+        }
+    }
 
+    return numberOfDelete;
 };
 
 /**
  * Поиск записей по запросу в телефонной книге
  * @param {String} query
+ * @returns {Array} result
  */
 exports.find = function (query) {
+    if (query === '') {
+        return [];
+    }
+    if (query === '*') {
+        query = '';
+    }
+    var arrFindSort = [];
+    for (var i = 0; i < phoneBook.length; i++) {
+        if (some(phoneBook[i].phone, phoneBook[i].name, phoneBook[i].email, query)) {
+            arrFindSort.push(phoneBook[i].name + ',' +
+            ' +7 (' + phoneBook[i].phone.slice(0, 3) + ') ' +
+            phoneBook[i].phone.slice(3, 6) + '-' +
+            phoneBook[i].phone.slice(6, 8) + '-' +
+            phoneBook[i].phone.slice(8, 10) + ', ' + phoneBook[i].email);
+        } else {
+            arrFindSort.push(phoneBook[i].name + ',' +
+            ' +7 (' + phoneBook[i].phone.slice(0, 3) + ') ' +
+            phoneBook[i].phone.slice(3, 6) + '-' +
+            phoneBook[i].phone.slice(6, 8) + '-' + phoneBook[i].phone.slice(8, 10));
+        }
+    }
 
+    return arrFindSort.sort();
 };
 
+function some(phone, name, email, query) {
+    if (email !== undefined && (phone.indexOf(query) !== -1 ||
+    name.indexOf(query) !== -1 ||
+    (email !== undefined && email.indexOf(query) !== -1))) {
+
+        return true;
+    }
+
+    return false;
+}
+
 /**
  * Импорт записей из csv-формата
  * @star