diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..56e23a3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+node_modules
+.credentials
\ No newline at end of file
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..6816c9f
--- /dev/null
+++ b/index.js
@@ -0,0 +1,168 @@
+var fs = require('fs');
+var readline = require('readline');
+var google = require('googleapis');
+var googleAuth = require('google-auth-library');
+var books = require('google-books-search');
+var _ = require('lodash');
+
+var SCOPES = ['https://www.googleapis.com/auth/spreadsheets'];
+var TOKEN_DIR = '.credentials/';
+var TOKEN_PATH = TOKEN_DIR + 'sheets.googleapis.com-my-library.json';
+
+// Load client secrets from a local file.
+fs.readFile(TOKEN_DIR + 'client_secret.json', function processClientSecrets(err, content) {
+  if (err) {
+    console.log('Error loading client secret file: ' + err);
+    return;
+  }
+  // Authorize a client with the loaded credentials, then call the
+  // Google Sheets API.
+  authorize(JSON.parse(content), inputLoop);
+});
+
+/**
+ * Create an OAuth2 client with the given credentials, and then execute the
+ * given callback function.
+ *
+ * @param {Object} credentials The authorization client credentials.
+ * @param {function} callback The callback to call with the authorized client.
+ */
+function authorize(credentials, callback) {
+  var clientSecret = credentials.installed.client_secret;
+  var clientId = credentials.installed.client_id;
+  var redirectUrl = credentials.installed.redirect_uris[0];
+  var auth = new googleAuth();
+  var oauth2Client = new auth.OAuth2(clientId, clientSecret, redirectUrl);
+
+  // Check if we have previously stored a token.
+  fs.readFile(TOKEN_PATH, function(err, token) {
+    if (err) {
+      getNewToken(oauth2Client, callback);
+    } else {
+      oauth2Client.credentials = JSON.parse(token);
+      callback(oauth2Client);
+    }
+  });
+}
+
+/**
+ * Get and store new token after prompting for user authorization, and then
+ * execute the given callback with the authorized OAuth2 client.
+ *
+ * @param {google.auth.OAuth2} oauth2Client The OAuth2 client to get token for.
+ * @param {getEventsCallback} callback The callback to call with the authorized
+ *     client.
+ */
+function getNewToken(oauth2Client, callback) {
+  var authUrl = oauth2Client.generateAuthUrl({
+    access_type: 'offline',
+    scope: SCOPES
+  });
+  console.log('Authorize this app by visiting this url: ', authUrl);
+  var rl = readline.createInterface({
+    input: process.stdin,
+    output: process.stdout
+  });
+  rl.question('Enter the code from that page here: ', function(code) {
+    rl.close();
+    oauth2Client.getToken(code, function(err, token) {
+      if (err) {
+        console.log('Error while trying to retrieve access token', err);
+        return;
+      }
+      oauth2Client.credentials = token;
+      storeToken(token);
+      callback(oauth2Client);
+    });
+  });
+}
+
+/**
+ * Store token to disk be used in later program executions.
+ *
+ * @param {Object} token The token to store to disk.
+ */
+function storeToken(token) {
+  try {
+    fs.mkdirSync(TOKEN_DIR);
+  } catch (err) {
+    if (err.code != 'EEXIST') {
+      throw err;
+    }
+  }
+  fs.writeFile(TOKEN_PATH, JSON.stringify(token));
+  console.log('Token stored to ' + TOKEN_PATH);
+}
+
+function inputLoop(auth) {
+  insertRow(auth);
+}
+
+function insertRow(auth) {
+  var rl = readline.createInterface({
+    input: process.stdin,
+    output: process.stdout
+  });
+  rl.question('ISBN: ', function(isbn) {
+    rl.close();
+    books.search(isbn, {
+      field: 'isbn',
+      lang: 'en'
+    }, function(error, results) {
+      if ( ! error && results.length > 0) {
+        var book = normalizeGoogleData(results[0]);
+        console.log(book);
+        appendToSheet(auth, _.values(book));
+      } else if ( results.length == 0) {
+        console.log("no book found");
+        inputLoop(auth);
+      } else {
+        console.log(error);
+      }
+    });
+  });
+}
+
+function normalizeGoogleData(book) {
+  var normalized = {
+    title: book.subtitle ? book.title + ': ' + book.subtitle : book.title,
+    author: _.join(book.authors, ', '),
+    authorLast: _.lowerCase(_.reverse(_.split(book.authors[0], ' '))[0]),
+    "isbn-10": _.find(book.industryIdentifiers, { type: "ISBN_10" }).identifier || '',
+    "isbn-13": _.find(book.industryIdentifiers, { type: "ISBN_13" }).identifier || '',
+    format: '',
+    genre: book.categories[0],
+    publisher: _.trim(book.publisher, '"'),
+    series: '',
+    volume: '',
+    publishedDate: book.publishedDate.substring(0, 4),
+    coverurl: '',
+    description: book.description,
+    notes: '',
+    signed: ''
+  };
+  return normalized;
+}
+
+function appendToSheet(auth, book) {
+  var sheets = google.sheets('v4');
+  sheets.spreadsheets.values.append({
+    auth: auth,
+    spreadsheetId: '1w5Dc57wV0_rrKFsG7KM-qdPWEpqYk6lFu3JzAA0cSv0',
+    range: 'Sheet1',
+    valueInputOption: "RAW",
+    insertDataOption: "INSERT_ROWS",
+    resource: {
+      "range": "Sheet1",
+      "majorDimension": "ROWS",
+      "values": [
+        book
+      ]
+    }
+  }, function(err, response) {
+    if (err) {
+      console.log('The API returned an error: ' + err);
+    }
+    inputLoop(auth);
+  });
+}
\ No newline at end of file
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..cecc1d0
--- /dev/null
+++ b/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "library",
+  "version": "1.0.0",
+  "description": "Managing my personal library",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/deltamualpha/my-library.git"
+  },
+  "author": "https://github.com/deltamualpha/",
+  "license": "BSD-3-Clause",
+  "bugs": {
+    "url": "https://github.com/deltamualpha/my-library/issues"
+  },
+  "homepage": "https://github.com/deltamualpha/my-library",
+  "dependencies": {
+    "google-auth-library": "^0.10.0",
+    "google-books-search": "^0.3.1",
+    "googleapis": "^19.0.0",
+    "lodash": "^4.17.4"
+  }
+}