diff --git a/vrobbler/apps/books/koreader.py b/vrobbler/apps/books/koreader.py
index 91cbd5e..c76b9a8 100644
--- a/vrobbler/apps/books/koreader.py
+++ b/vrobbler/apps/books/koreader.py
@@ -89,12 +89,13 @@ def create_book_from_row(row: list):
     run_time = total_pages * Book.AVG_PAGE_READING_SECONDS
     book_title = row[KoReaderBookColumn.TITLE.value]
     if " - " in book_title:
-        book_title = book_title.split(" - ")[0]
-        if not author_str:
-            author_str = book_title.split(" - ")[1]
+        split_title = book_title.split(" - ")
+        book_title = split_title[0]
+        if (not author_str or author_str == "N/A") and len(split_title) > 1:
+            author_str = split_title[1].split("_")[0]
 
     book = Book.objects.create(
-        title=book_title,
+        title=book_title.replace("_", ":"),
         pages=total_pages,
         koreader_data_by_hash={
             str(row[KoReaderBookColumn.MD5.value]): {
@@ -142,7 +143,9 @@ def build_book_map(rows) -> dict:
 
         if not book:
             book = Book.objects.filter(
-                title=book_row[KoReaderBookColumn.TITLE.value].split(" - ")[0]
+                title=book_row[KoReaderBookColumn.TITLE.value]
+                .split(" - ")[0]
+                .lower()
             ).first()
 
         if not book:
diff --git a/vrobbler/apps/books/migrations/0021_remove_book_koreader_authors_remove_book_koreader_id_and_more.py b/vrobbler/apps/books/migrations/0021_remove_book_koreader_authors_remove_book_koreader_id_and_more.py
new file mode 100644
index 0000000..ffaa626
--- /dev/null
+++ b/vrobbler/apps/books/migrations/0021_remove_book_koreader_authors_remove_book_koreader_id_and_more.py
@@ -0,0 +1,25 @@
+# Generated by Django 4.2.16 on 2024-10-17 20:08
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("books", "0020_author_comicvine_data_book_comicvine_data_and_more"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="book",
+            name="koreader_authors",
+        ),
+        migrations.RemoveField(
+            model_name="book",
+            name="koreader_id",
+        ),
+        migrations.RemoveField(
+            model_name="book",
+            name="koreader_md5",
+        ),
+    ]
diff --git a/vrobbler/apps/books/models.py b/vrobbler/apps/books/models.py
index 53bdcc7..6bf4e5c 100644
--- a/vrobbler/apps/books/models.py
+++ b/vrobbler/apps/books/models.py
@@ -101,10 +101,6 @@ class Book(LongPlayScrobblableMixin):
     title = models.CharField(max_length=255)
     authors = models.ManyToManyField(Author, blank=True)
     goodreads_id = models.CharField(max_length=255, **BNULL)
-    # All individual koreader fields are deprecated
-    koreader_id = models.IntegerField(**BNULL)
-    koreader_authors = models.CharField(max_length=255, **BNULL)
-    koreader_md5 = models.CharField(max_length=255, **BNULL)
     koreader_data_by_hash = models.JSONField(**BNULL)
     isbn = models.CharField(max_length=255, **BNULL)
     pages = models.IntegerField(**BNULL)