diff --git a/api/models/books.js b/api/models/books.js
new file mode 100644
index 0000000..f5cf6ed
--- /dev/null
+++ b/api/models/books.js
@@ -0,0 +1,36 @@
+const mongoose = require('mongoose');
+const Schema = mongoose.Schema;
+
+const booksSchema = new Schema({
+  title: {
+    type: String,
+    required: true,
+  },
+  published: {
+    type: Number,
+    required: true
+  },
+  authors: [
+    {
+      name: {
+        type: String,
+        required: true
+      },
+      dob: {
+        type: String,
+        validate: {
+          validator: (input) => {
+            return /\d{2}-\d{2}-\d{4}/.test(input);
+          },
+          msg: `dob must be a string in the format mm-dd-yyyy`
+        }
+      }
+    }
+  ]
+},
+{
+  timestamps: { createdAt: 'created_at', updatedAt: 'updated_at' }
+}
+)
+
+module.exports = mongoose.model('Books', booksSchema)
\ No newline at end of file
diff --git a/api/routes/books.authors.js b/api/routes/books.authors.js
new file mode 100644
index 0000000..285e9f5
--- /dev/null
+++ b/api/routes/books.authors.js
@@ -0,0 +1,64 @@
+const router = require('express').Router({mergeParams: true})
+const { generate: generateId } = require('shortid')
+const Books = require('../models/books')
+
+// Authors
+
+router.get('/', async (req, res, next) => {
+  const status = 200
+  const Book = await Books.findById(req.params.bookId)
+    .then(Book => {
+      const authors = Book.authors; 
+      res.json({ status, authors })
+    })
+    .catch (error => {
+      res.json({status, error})
+    })
+  
+  
+})
+
+router.get('/:authorId', async (req, res, next) => {
+  const status = 200
+  const response = await Books.findById(req.params.bookId)
+  const author = response.authors.id(req.params.authorId)
+  res.json({ status, author })
+})
+
+router.post('/', async (req, res, next) => {
+  const status = 201
+  const Book = await Books.findById(req.params.bookId)
+  Book.authors.push(req.body)
+  const author = Book.authors[Book.authors.length-1]
+  Book.save(function (err) {
+    if (err) return console.log(err)
+    console.log('Author created successfully!');
+  });
+  res.json({status, author})
+})
+
+router.put('/:authorId', async (req, res, next) => {
+  const status = 200
+  const Book = await Books.findById(req.params.bookId)
+  const author = Book.authors.id(req.params.authorId)
+  author.set(req.body)
+  Book.save(function (err) {
+    if (err) return console.log(err)
+    console.log('Author updated successfully!');
+  });
+  res.json({status, author})
+})
+
+router.delete('/:authorId', async (req, res, next) => {
+  const status = 200
+  const Book = await Books.findById(req.params.bookId)
+  const author = Book.authors.id(req.params.authorId).remove()
+  Book.save(function (err) {
+    if (err) return handleError(err);
+    console.log('Author removed successfully');
+  });
+  res.json({ status, author })
+  
+})
+
+module.exports = router
\ No newline at end of file
diff --git a/api/routes/books.js b/api/routes/books.js
index 10a56a9..6e8cd57 100644
--- a/api/routes/books.js
+++ b/api/routes/books.js
@@ -1,72 +1,49 @@
 const router = require('express').Router()
 const { generate: generateId } = require('shortid')
+const Books = require('../models/books')
 
-const books = [
-  {
-    id: 'j9U3iNIQi',
-    title: 'The Colour of Magic',
-    published: 1983,
-    authors: [
-      {
-        name: 'Sir Terry Pratchett',
-        dob: '04-28-1948'
-      }
-    ]
-  },
-  {
-    id: 'ubQnXOfJV',
-    title: 'Stardust',
-    published: 1997,
-    authors: [
-      {
-        name: 'Neil Gaiman',
-        dob: '11-10-1960'
-      }
-    ]
-  }
-];
+// Books
 
-router.get('/', (req, res, next) => {
+router.get('/', async (req, res, next) => {
   const status = 200
-  const response = books
-  
+  const response = await Books.find()
   res.json({ status, response })
 })
 
-router.post('/', (req, res, next) => {
+router.post('/', async (req, res, next) => {
   const status = 201
-  
-  books.push({ id: generateId(), ...req.body })
-  const response = books
-  
-  res.json({ status, response })
+  await Books.create(req.body)
+  .then(response => {
+    res.json({ status, response })
+  })
+  .catch(err => {
+    res.json(err.message)
+  })
 })
 
-router.get('/:id', (req, res, next) => {
+router.get('/:id', async (req, res, next) => {
   const status = 200
-  const response = books.find(({ id }) => id === req.params.id)
-
+  const response = await Books.findById(req.params.id)
   res.json({ status, response })
 })
 
-router.put('/:id', (req, res, next) => {
+router.put('/:id', async (req, res, next) => {
   const status = 200
-  const response = { id: req.params.id, ...req.body }
-  const single = books.find(({ id }) => id === req.params.id)
-  const index = books.indexOf(single)
-
-  books.splice(index, 1, response)
-  
+  const response = await Books.findOneAndUpdate({
+    _id: req.params.id
+  },{
+    ...req.body
+  }, {
+    new: true
+  })
   res.json({ status, response })
 })
 
-router.delete('/:id', (req, res, next) => {
+router.delete('/:id', async (req, res, next) => {
   const status = 200
-  const response = books.find(({ id }) => id === req.params.id)
-  const index = books.indexOf(response)
-
-  books.splice(index, 1)
-
+  const response = await Books.findOneAndDelete({
+    _id: req.params.id
+  })
   res.json({ status, response })
 })
 
diff --git a/app.js b/app.js
index 075ce75..fc2a831 100644
--- a/app.js
+++ b/app.js
@@ -5,7 +5,10 @@ const app = express()
 
 // Database Connection
 if (MONGO_DB_CONNECTION) {
-  mongoose.connect(MONGO_DB_CONNECTION, { useNewUrlParser: true })
+  mongoose.connect(MONGO_DB_CONNECTION, { 
+    useNewUrlParser: true,
+    useFindAndModify: false  
+  });
   console.log('Connected to database...')
 } else {
   console.log('Could not connect to database!')
@@ -17,6 +20,7 @@ app.use(require('body-parser').json())
 
 // Routes
 app.use('/api/books', require('./api/routes/books'))
+app.use('/api/books/:bookId/authors', require('./api/routes/books.authors'))
 
 // Not Found Handler
 app.use((req, res, next) => {