diff --git a/.gitignore b/.gitignore
index f356293..a57a19f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@ logs
 results
 
 npm-debug.log
+node_modules/
diff --git a/README.md b/README.md
index ff315c1..5c94476 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,31 @@
-node-maildir
-============
+# Maildir++
 
 A Maildir++ library for nodejs
+
+## Installation
+
+```sh
+npm install --save maildir-plus
+```
+
+## Usage
+
+```javascript
+
+var Maildir = require('maildir-plus');
+
+/* using events */
+var maildir = new Maildir('/path/to/maildir');
+maildir.on('error', function(err) {
+    // do something about it...
+});
+maildir.on('ready', function() {
+    // maildir ok
+});
+
+/* with a classic callback */
+var maildir = new Maildir('/path/to/maildir', function(err) {
+    // ...
+});
+
+```
diff --git a/mailbox.js b/mailbox.js
new file mode 100644
index 0000000..08a7f3b
--- /dev/null
+++ b/mailbox.js
@@ -0,0 +1,84 @@
+
+var EventEmitter = require('events').EventEmitter;
+var crypto = require('crypto');
+var path = require('path');
+var fs = require('fs');
+
+var async = require('async');
+var mkdirp = require('mkdirp');
+
+function Mailbox(dir, create, cb, _exists) {
+    EventEmitter.call(this);
+    this.dir = dir;
+
+    this.uid_list = null;
+    this.uid_map = null;
+    this.flags_map = null;
+
+    this.uid_validity = 0;
+    this.uid_next = 1;
+
+    if(_exists) {
+        return this;
+    }
+    if(typeof create == 'function') {
+        cb = create;
+        create = false;
+    }
+    if(create) {
+        Mailbox.create(dir, this, cb);
+        return this;
+    }
+
+    this.open(cb);
+}
+module.exports = Mailbox;
+Mailbox.prototype = Object.create(EventEmitter.prototype);
+
+Mailbox.create = function(dir, open, cb) {
+    if(typeof open == 'function') {
+        cb = open;
+        open = false;
+    }
+    else {
+        // ensure not null nor undefined
+        open = open || false;
+    }
+    // cb is not mandatory when called from `new Maildir(dir, true)`
+    if(typeof cb != 'function' && (!open.constructor || open.constructor != Mailbox)) {
+        var e = new TypeError('A callback is required');
+        Error.captureStackTrace(e, Mailbox.create);
+        throw e;
+    }
+
+    function onError(err) {
+        if(typeof cb == 'function') {
+            cb(err);
+        }
+        else {
+            open.emit('error', err);
+        }
+    }
+
+    async.series({
+        _dir: mkdirp.bind(null, dir),
+        uid_list: fs.open.bind(fs, path.join(dir, 'uid-list'), 'w+'),
+        uid_map: fs.open.bind(fs, path.join(dir, 'uid-map'), 'w+'),
+        flags_map: fs.open.bind(fs, path.join(dir, 'flags-map'), 'w+')
+    }, function(err, res) {
+        if(err) {
+            return onError(err);
+        }
+        var uid_validity = crypto.randomBytes(4).readInt32BE(0) & 0x7fffffff;
+    });
+};
+
+Mailbox.prototype.open = function() {
+    async.parallel({
+        uid_list: fs.open.bind(fs, path.join(dir, 'uid-list'), 'r+'),
+        uid_map: fs.open.bind(fs, path.join(dir, 'uid-map'), 'r+'),
+        flags_map: fs.open.bind(fs, path.join(dir, 'flags-map'), 'r+')
+    }, function(err, res) {
+        //
+    });
+};
diff --git a/maildir.js b/maildir.js
new file mode 100644
index 0000000..7d49581
--- /dev/null
+++ b/maildir.js
@@ -0,0 +1,95 @@
+
+var EventEmitter = require('events').EventEmitter;
+var fs = require('fs');
+var path = require('path');
+
+var async = require('async');
+var mkdirp = require('mkdirp');
+
+var Mailbox = require('./mailbox.js');
+
+function Maildir(dir, create, cb, _exists) {
+    EventEmitter.call(this);
+    this.dir = dir;
+
+    if(_exists) {
+        return this;
+    }
+    if(typeof create == 'function') {
+        cb = create;
+        create = false;
+    }
+    if(create) {
+        Maildir.create(dir, this, cb);
+        return this;
+    }
+
+
+    var mdir = this;
+    async.map([
+        path.join(dir, 'new'),
+        path.join(dir, 'cur'),
+        path.join(dir, 'tmp')
+    ], fs.stat, function(err) {
+        if(typeof cb == 'function') {
+            return cb(err, mdir);
+        }
+        if(err) {
+            mdir.emit('error', err);
+        }
+        else {
+            mdir.emit('ready', mdir);
+        }
+    });
+}
+Maildir.prototype = Object.create(EventEmitter);
+module.exports = Maildir;
+Maildir.Mailbox = Mailbox;
+
+Maildir.create = function(dir, open, cb) {
+    if(typeof open == 'function') {
+        cb = open;
+        open = false;
+    }
+    else {
+        // ensure not null nor undefined
+        open = open || false;
+    }
+    // cb is not mandatory when called from `new Maildir(dir, true)`
+    if(typeof cb != 'function' && (!open.constructor || open.constructor != Maildir)) {
+        var e = new TypeError('A callback is required');
+        Error.captureStackTrace(e, Maildir.create);
+        throw e;
+    }
+    var INBOX = path.join(dir, 'cur');
+    async.map([
+        path.join(dir, 'new'), // recents emails
+        path.join(dir, 'tmp')
+    ], mkdirp, function(err, res) {
+        if(err) {
+            return cb(err);
+        }
+        if(!open) {
+            return Mailbox.create(mbox, cb);
+        }
+        Mailbox.create(INBOX, function(err) {
+            var mDir = open.constructor && open.constructor === Maildir && open;
+            if(typeof cb != 'function') {
+                return err && open.emit('error', err) || open.emit('ready', open);
+            }
+            cb(err || null, !err && mDir || !err && new Maildir(dir, null, null, true));
+        });
+    });
+};
+
+Maildir.prototype.open = function(name, create, cb) {
+    //
+};
+
+Maildir.prototype.create = function(name, open, cb) {
+    //
+};
+
+
+
+
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..be42513
--- /dev/null
+++ b/package.json
@@ -0,0 +1,28 @@
+{
+  "name": "maildir-plus",
+  "version": "0.0.1",
+  "description": "A Maildir++ library for nodejs",
+  "main": "maildir.js",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/xpensia/node-maildir.git"
+  },
+  "keywords": [
+    "maildir",
+    "maildir++",
+    "email",
+    "mail"
+  ],
+  "author": {
+    "name": "Jean-Sébastien Tremblay",
+    "email": "jeansebtr@xpensia.com",
+    "url": "http://blog.jeansebtr.com/"
+  },
+  "license": "MIT",
+  "readmeFilename": "README.md",
+  "gitHead": "d386be2042e3f9a574e6f8b1906a098584c621e8",
+  "dependencies": {
+    "async": "0.2.x",
+    "mkdirp": "0.3.x"
+  }
+}