diff --git a/library.ts b/library.ts
index 44d2acb..e4818fb 100644
--- a/library.ts
+++ b/library.ts
@@ -72,19 +72,25 @@ on conflict(reader_url)
 
       return books;
     },
-    async archive(path: string, outDir: string, book: Book) {
+    async archive(
+      path: string,
+      book: Book,
+      opts: {
+        outDir: string;
+        outAuthorsLimit: number;
+      },
+    ) {
       const bookDir = await fs.stat(path);
 
       if (!bookDir.isDirectory()) {
         throw new Error(`Not found: ${path}`);
       }
 
-      const title = `${book.authors.join("、")}「${book.title}」`.replace(
-        /[/]/g,
-        "%2F",
-      );
+      const title = `${book.authors
+        .slice(0, opts.outAuthorsLimit)
+        .join("、")}「${book.title}」`.replace(/[/]/g, "%2F");
 
-      const out = createWriteStream(`${outDir}/${title}.cbz`);
+      const out = createWriteStream(`${opts.outDir}/${title}.cbz`);
 
       const zip = new Zip(function cb(err, data, final) {
         if (err) {
diff --git a/main.ts b/main.ts
index c51341c..a737723 100644
--- a/main.ts
+++ b/main.ts
@@ -13,6 +13,10 @@ const options = {
     type: "string",
     default: "dist",
   },
+  "out-authors-limit": {
+    type: "string",
+    default: "3",
+  },
   login: {
     type: "boolean",
     async run() {
@@ -125,7 +129,10 @@ const options = {
         const platform = createPlatform({ db, browser });
         const dir = `${args.values["out-dir"]!}/${book.id}`;
         await platform.download(dir, book);
-        await library.archive(dir, args.values["out-dir"]!, book);
+        await library.archive(dir, book, {
+          outDir: args.values["out-dir"]!,
+          outAuthorsLimit: Number(args.values["out-authors-limit"]!),
+        });
         await browser.close();
       }
     },