diff --git a/lib/datastore.js b/lib/datastore.js
index 55dcdcd..1289191 100644
--- a/lib/datastore.js
+++ b/lib/datastore.js
@@ -130,15 +130,32 @@ Datastore.prototype.find = function (query, callback) {
 };
 
 
+/**
+ * Find one document matching the query
+ * @param {Object} query MongoDB-style query
+ */
+Datastore.prototype.findOne = function (query, callback) {
+  var self = this
+    , i
+    ;
+
+  for (i = 0; i < self.data.length; i += 1) {
+    if (Datastore.match(self.data[i], query)) {
+      return callback(null, self.data[i]);
+    }
+  }
+
+  return callback(null, null);
+};
+
+
+
+
 var d = new Datastore('workspace/test.db');
 d.loadDatabase(function (err) {
   console.log(d.data);
-  d.find({ te: "un" }, function (err, docs) {
-    console.log(err);
-    console.log('------------------');
-    console.log(docs);
 
-  });
+
 });