diff --git a/src/api/apis/OpenLibraryAPI.ts b/src/api/apis/OpenLibraryAPI.ts
index 72c165a..3e7e09d 100644
--- a/src/api/apis/OpenLibraryAPI.ts
+++ b/src/api/apis/OpenLibraryAPI.ts
@@ -69,7 +69,8 @@ export class OpenLibraryAPI extends APIModel {
 			dataSource: this.apiName,
 			url: `https://openlibrary.org` + result.key,
 			id: result.key,
-			isbn: result.isbn[0] ?? 'unknown',
+			isbn: result.isbn.find((el: string | any[]) => el.length <= 10) ?? 'unknown',
+			isbn13: result.isbn.find((el: string | any[]) => el.length == 13) ?? 'unknown',
 			englishTitle: result.title_english ?? result.title,
 
 			author: result.author_name ?? 'unknown',
diff --git a/src/models/BookModel.ts b/src/models/BookModel.ts
index 60860d5..f381d2e 100644
--- a/src/models/BookModel.ts
+++ b/src/models/BookModel.ts
@@ -10,6 +10,7 @@ export class BookModel extends MediaTypeModel {
 	onlineRating: number;
 	english_title: string;
 	isbn: number;
+	isbn13: number;
 
 	released: boolean;
 
@@ -27,6 +28,7 @@ export class BookModel extends MediaTypeModel {
 		this.image = undefined;
 		this.onlineRating = undefined;
 		this.isbn = undefined;
+		this.isbn13 = undefined;
 
 		this.released = undefined;