diff --git a/phone-book.js b/phone-book.js
index 69fb468..d11414f 100644
--- a/phone-book.js
+++ b/phone-book.js
@@ -9,16 +9,23 @@ exports.isStar = true;
 /**
  * Телефонная книга
  */
-var phoneBook;
+var phoneBook = [];
 
 /**
  * Добавление записи в телефонную книгу
  * @param {String} phone
  * @param {String} name
  * @param {String} email
+ * @returns {boolean}
  */
 exports.add = function (phone, name, email) {
+    var phoneRe = new RegExp('^[0-9]{10}$');
+    if (!phoneRe.test(phone) || typeof(name) === 'undefined' || phone in phoneBook) {
+        return false;
+    }
+    phoneBook[phone] = { 'name': name, 'email': email };
 
+    return true;
 };
 
 /**
@@ -26,25 +33,70 @@ exports.add = function (phone, name, email) {
  * @param {String} phone
  * @param {String} name
  * @param {String} email
+ * @returns {boolean}
  */
 exports.update = function (phone, name, email) {
+    if (typeof(phone) === 'undefined' || typeof(email) === 'undefined') {
+        return false;
+    } else if (typeof(name) === 'undefined') {
+        phoneBook[phone]['email'] = email;
+    } else {
+        phoneBook[phone]['email'] = email;
+        phoneBook[phone]['name'] = name;
+    }
 
+    return true;
 };
 
 /**
  * Удаление записей по запросу из телефонной книги
  * @param {String} query
+ * @returns {Integer}
  */
 exports.findAndRemove = function (query) {
+    var count = 0;
+    for (var phone in phoneBook) {
+        if (query === '*' || phone.match(query) || phoneBook[phone]['email'].match(query) ||
+        phoneBook[phone]['name'].match(query)) {
+            delete phoneBook[phone];
+            count++;
+        }
+    }
 
+    return count;
 };
 
+function contactToString(phone) {
+    var name = phoneBook[phone]['name'];
+    var phone1 = phone.slice(0, 3);
+    var phone2 = phone.slice(3, 6);
+    var phone3 = phone.slice(6, 8);
+    var phone4 = phone.slice(8);
+    var email = phoneBook[phone]['email'];
+    var res = name + ' 7 (' + phone1 + ' ) ' + phone2 + '-' + phone3 + '-' + phone4 + ' ' + email;
+
+    return res;
+}
+
 /**
  * Поиск записей по запросу в телефонной книге
  * @param {String} query
+ * @returns {String}
  */
 exports.find = function (query) {
+    var result = [];
+    for (var phone in phoneBook) {
+        if (typeof(query) === 'undefined' || query === '') {
+            break;
+        }
+        if (query === '*' || phone.match(query) || phoneBook[phone]['email'].match(query) ||
+        phoneBook[phone]['name'].match(query)) {
+            result.push(contactToString(phone));
+        }
+    }
+    var newRes = result.sort().join('\n');
 
+    return newRes;
 };
 
 /**
@@ -58,5 +110,17 @@ exports.importFromCsv = function (csv) {
     // Добавляем в телефонную книгу
     // Либо обновляем, если запись с таким телефоном уже существует
 
-    return csv.split('\n').length;
+    var lines = csv.split('\n');
+    var count = 0;
+    for (var i in lines) {
+        var record = lines[i].split(';');
+        if (record[1] in phoneBook) {
+            exports.update(record[1], record[0], record[2]);
+        } else {
+            exports.add(record[1], record[0], record[2]);
+        }
+        count++;
+    }
+
+    return count;
 };