From f301591add6c47f4f2db866353f9bef184c872c8 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]"
 <41898282+github-actions[bot]@users.noreply.github.com>
Date: Mon, 21 Sep 2026 08:19:24 +0000
Subject: [PATCH] ci: update books

---
 data/books/provenance.yaml | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/data/books/provenance.yaml b/data/books/provenance.yaml
index 312ed27..a846e3d 100644
--- a/data/books/provenance.yaml
+++ b/data/books/provenance.yaml
@@ -1,5 +1,3 @@
 # Generated by meta-updater. Do not edit by hand.
-retrieved_at: '2026-09-15'
-source_urls:
-- https://openlibrary.org/api/books?bibkeys=ISBN%3A9781491903995&jscmd=data&format=json
-- https://openlibrary.org/search.json?isbn=9781491903995&fields=key%2Cratings_average%2Cratings_count%2Cauthor_name%2Csubject%2Cdescription%2Cfirst_sentence&limit=1
+retrieved_at: '2026-09-21'
+source_urls: []