diff --git a/app/Book.php b/app/Book.php
index e823360..cc6bec0 100644
--- a/app/Book.php
+++ b/app/Book.php
@@ -6,7 +6,14 @@ use Illuminate\Database\Eloquent\Model;
 
 class Book extends Model
 {
+    public $incrementing = false;
+
+
+
+    protected $keyType = 'string';
+
     public $fillable = [
+        'id',
         'name'
     ];
 
diff --git a/app/Chapter.php b/app/Chapter.php
index 54d9829..d536291 100644
--- a/app/Chapter.php
+++ b/app/Chapter.php
@@ -6,7 +6,10 @@ use Illuminate\Database\Eloquent\Model;
 
 class Chapter extends Model
 {
+    public $incrementing = false;
+
     public $fillable = [
+        'id',
         'name'
     ];
 
diff --git a/app/Handlers/UlbXmlImportHandler.php b/app/Handlers/UlbXmlImportHandler.php
index 785a972..c61bbc7 100644
--- a/app/Handlers/UlbXmlImportHandler.php
+++ b/app/Handlers/UlbXmlImportHandler.php
@@ -58,13 +58,14 @@ class UlbXmlImportHandler
         $document = $this->openBook($filepath);
 
         $book = Book::create([
-            'name' => $bookTitle,
+            'id' => strtolower($bookTitle),
+            'name' => ucfirst($bookTitle),
         ]);
 
         $chapterCollection = $document->getElementsByTagName('chapter');
 
         foreach ($chapterCollection as $chapterElem) {
-            $chapter = $this->importChapter($chapterElem);
+            $chapter = $this->importChapter($chapterElem, $book->id);
             $book->chapters()->save($chapter);
         }
 
@@ -75,16 +76,19 @@ class UlbXmlImportHandler
      * @param DOMElement $chapterElem
      * @return Chapter
      */
-    public function importChapter(DOMElement $chapterElem) : Chapter
+    public function importChapter(DOMElement $chapterElem, string $book_id) : Chapter
     {
+        $chapterName = $this->parseChapterName($chapterElem);
+
         $chapter = Chapter::create([
-            'name' => $this->parseChapterName($chapterElem),
+            'id' => implode('-', [$book_id, $chapterName]),
+            'name' => $chapterName,
         ]);
 
         $verseCollection = $chapterElem->getElementsByTagName('verse');
 
         foreach ($verseCollection as $verseElem) {
-            $verse = $this->importVerse($verseElem);
+            $verse = $this->importVerse($verseElem, $chapter->id);
             $chapter->verses()->save($verse);
         }
 
@@ -95,10 +99,13 @@ class UlbXmlImportHandler
      * @param DOMElement $verseElem
      * @return Verse
      */
-    public function importVerse(DOMElement $verseElem) : Verse
+    public function importVerse(DOMElement $verseElem, string $chapter_id) : Verse
     {
+        $verseNumber = $this->parseVerseNumber($verseElem);
+
         $verse = Verse::create([
-            'name' => $this->parseVerseNumber($verseElem),
+            'id' => implode('-', [$chapter_id, $verseNumber]),
+            'name' => $verseNumber,
             'greek_text' => $verseElem->getElementsByTagName('Greek')[0]->nodeValue,
             'ulb_text' => $verseElem->getElementsByTagName('ULB')[0]->nodeValue,
         ]);
@@ -106,7 +113,7 @@ class UlbXmlImportHandler
         $wordCollection = $verseElem->getElementsByTagName('w');
 
         foreach ($wordCollection as $wordElem) {
-            $word = $this->importWord($wordElem);
+            $word = $this->importWord($wordElem, $verse->id);
             $verse->words()->save($word);
         }
 
@@ -117,17 +124,19 @@ class UlbXmlImportHandler
      * @param DOMElement $wordElem
      * @return Word
      */
-    public function importWord(DOMElement $wordElem) : Word
+    public function importWord(DOMElement $wordElem, string $verse_id) : Word
     {
-        // NOTE: We have to switch thins around a bit as the incoming XML file
-        // use lexeme for lemma and lemma for the strongs number
+        $ognt_sort = $wordElem->getAttribute('OGNTsort');
 
+        // NOTE: We have to switch things around a bit as the incoming XML file
+        // uses lexeme for lemma and lemma for the strongs number
         $word = Word::create([
+            'id' => implode('-', [$verse_id, $ognt_sort]),
             'ulb' => $wordElem->nodeValue,
             'greek' => $wordElem->getAttribute('text'),
             'lemma' =>  $wordElem->getAttribute('lexeme'),
             'morph' => $wordElem->getAttribute('morph'),
-            'ognt_sort' => $wordElem->getAttribute('OGNTsort'),
+            'ognt_sort' => $ognt_sort,
             'strongs_number' => $wordElem->getAttribute('lemma'),
         ]);
 
diff --git a/app/Verse.php b/app/Verse.php
index 999ac25..3d3005e 100644
--- a/app/Verse.php
+++ b/app/Verse.php
@@ -6,7 +6,10 @@ use Illuminate\Database\Eloquent\Model;
 
 class Verse extends Model
 {
+    public $incrementing = false;
+
     public $fillable = [
+        'id',
         'name',
         'ulb_text',
         'greek_text',
diff --git a/app/Word.php b/app/Word.php
index 7f71a10..24da51d 100644
--- a/app/Word.php
+++ b/app/Word.php
@@ -6,7 +6,10 @@ use Illuminate\Database\Eloquent\Model;
 
 class Word extends Model
 {
+    public $incrementing = false;
+
     public $fillable = [
+        'id',
         'ulb',
         'greek',
         'lemma',
diff --git a/database/migrations/2020_10_01_231143_create_books_table.php b/database/migrations/2020_10_01_231143_create_books_table.php
index a5a7750..8a8c02e 100644
--- a/database/migrations/2020_10_01_231143_create_books_table.php
+++ b/database/migrations/2020_10_01_231143_create_books_table.php
@@ -14,7 +14,7 @@ class CreateBooksTable extends Migration
     public function up()
     {
         Schema::create('books', function (Blueprint $table) {
-            $table->bigIncrements('id');
+            $table->string('id')->primary();
             $table->string('name');
             $table->timestamps();
         });
diff --git a/database/migrations/2020_10_01_231230_create_chapters_table.php b/database/migrations/2020_10_01_231230_create_chapters_table.php
index f2d09c0..1141f4c 100644
--- a/database/migrations/2020_10_01_231230_create_chapters_table.php
+++ b/database/migrations/2020_10_01_231230_create_chapters_table.php
@@ -14,9 +14,9 @@ class CreateChaptersTable extends Migration
     public function up()
     {
         Schema::create('chapters', function (Blueprint $table) {
-            $table->bigIncrements('id');
+            $table->string('id')->primary();
             $table->string('name');
-            $table->bigInteger('book_id')->unsigned()->nullable();
+            $table->string('book_id')->nullable();
             $table->timestamps();
         });
 
diff --git a/database/migrations/2020_10_01_231308_create_verses_table.php b/database/migrations/2020_10_01_231308_create_verses_table.php
index 1e11814..ee89ef5 100644
--- a/database/migrations/2020_10_01_231308_create_verses_table.php
+++ b/database/migrations/2020_10_01_231308_create_verses_table.php
@@ -14,11 +14,11 @@ class CreateVersesTable extends Migration
     public function up()
     {
         Schema::create('verses', function (Blueprint $table) {
-            $table->bigIncrements('id');
+            $table->string('id')->primary();
             $table->string('name');
             $table->text('ulb_text');
             $table->text('greek_text');
-            $table->bigInteger('chapter_id')->unsigned()->nullable();
+            $table->string('chapter_id')->nullable();
             $table->timestamps();
         });
 
diff --git a/database/migrations/2020_10_01_231338_create_words_table.php b/database/migrations/2020_10_01_231338_create_words_table.php
index 536967a..79d7c39 100644
--- a/database/migrations/2020_10_01_231338_create_words_table.php
+++ b/database/migrations/2020_10_01_231338_create_words_table.php
@@ -14,14 +14,14 @@ class CreateWordsTable extends Migration
     public function up()
     {
         Schema::create('words', function (Blueprint $table) {
-            $table->bigIncrements('id');
+            $table->string('id')->primary();
             $table->string('ulb');
             $table->string('greek');
             $table->string('lemma');
             $table->string('morph');
             $table->bigInteger('ognt_sort');
             $table->string('strongs_number');
-            $table->bigInteger('verse_id')->unsigned()->nullable();
+            $table->string('verse_id')->nullable();
             $table->timestamps();
         });