diff --git a/.gitignore b/.gitignore
index 9f11b75..9daffbe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,61 @@
+# VisualStudioCode
+.gitignore
+.gitattributes
+.history/
+.vscode/
+.vscode-test
+#!.vscode/settings.json
+#!.vscode/tasks.json
+#!.vscode/launch.json
+#!.vscode/extensions.json
+*.code-workspace
+
+# Windows.gitignore
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+*.stackdump
+[Dd]esktop.ini
+$RECYCLE.BIN/
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+*.lnk
+
+#Sass.gitignore
+.sass-cache/
+*.css.map
+*.sass.map
+*.scss.map
+
+# My gitignores
 .idea/
+.phpunit.cache/
+logs/
+/vendor/
+/tests/
+composer.lock
+config.php
+settings.php
+phpunit.xml
+.env
+.php_cs.dist
+.php.*
+*.cache
+*.log
+*.sql
+*.sqlite
+*.tmp
+*.cache
+*.jar
+*.war
+*.nar
+*.ear
+*.7z
+*.zip
+*.tar
+*.tar.gz
+*.rar
diff --git a/src/ApiClient.php b/src/ApiClient.php
index e2d674c..4fa47ee 100755
--- a/src/ApiClient.php
+++ b/src/ApiClient.php
@@ -388,6 +388,24 @@ public function getEmailsFromBook($id, $limit = null, $offset = null)
         return $this->handleResult($requestResult);
     }
 
+    /**
+     * Get amount of subscriptions for the book
+     *
+     * @param $bookID
+     *
+     * @return stdClass
+     */
+    public function bookCountSubscriptions($bookID)
+    {
+        if (empty($bookID)) {
+            return $this->handleError('Empty book id');
+        }
+
+        $requestResult = $this->sendRequest('addressbooks/' . $bookID . '/emails/total');
+
+        return $this->handleResult($requestResult);
+    }
+
     /**
      * Add new emails to address book
      *
@@ -439,6 +457,29 @@ public function removeEmails($bookID, $emails)
         return $this->handleResult($requestResult);
     }
 
+    /**
+     * Unsubscribe email addresses from book
+     *
+     * @param $bookID
+     * @param $emails
+     *
+     * @return stdClass
+     */
+    public function unsubscribeEmails($bookID, $emails)
+    {
+        if (empty($bookID) || empty($emails)) {
+            return $this->handleError('Empty book id or emails');
+        }
+
+        $data = array(
+            'emails' => serialize($emails),
+        );
+
+        $requestResult = $this->sendRequest('addressbooks/' . $bookID . '/emails/unsubscribe', 'POST', $data);
+
+        return $this->handleResult($requestResult);
+    }
+
     /**
      * Get information about email address from book
      *
@@ -1628,4 +1669,4 @@ public function deleteSmsCampaign($campaignID)
 
         return $this->handleResult($requestResult);
     }
-}
\ No newline at end of file
+}
diff --git a/src/ApiInterface.php b/src/ApiInterface.php
index 19598c7..9c8ef8b 100644
--- a/src/ApiInterface.php
+++ b/src/ApiInterface.php
@@ -60,11 +60,20 @@ public function getBookInfo($id);
     public function getBookVariables($id);
 
     /**
-     * Get list pf emails from book
+     * Get list email addresses from book
      *
-     * @param $id
+     * @param $id     Address book id.
+     * @param $limit
+     * @param $offset
+     */
+    public function getEmailsFromBook($id, $limit = null, $offset = null);
+
+    /**
+     * Get amount of subscriptions for the book
+     *
+     * @param $bookID
      */
-    public function getEmailsFromBook($id);
+    public function bookCountSubscriptions($bookID);
 
     /**
      * Add new emails to book
@@ -82,6 +91,14 @@ public function addEmails($bookID, $emails);
      */
     public function removeEmails($bookID, $emails);
 
+    /**
+     * Unsubscribe email addresses from book
+     *
+     * @param $bookID
+     * @param $emails
+     */
+    public function unsubscribeEmails($bookID, $emails);
+
     /**
      * Get information about email from book
      *