Add WolneLektury.pl API to Books
diff --git a/README.md b/README.md
index 29670332df..7193777fea 100644
--- a/README.md
+++ b/README.md
@@ -138,6 +138,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Shrimad Bhagavad Gita](https://vedicscriptures.github.io/) | Open Source Shrimad Bhagavad Gita API including 21+ authors translation in Sanskrit/English/Hindi | No | Yes | Yes |
 | [Thirukkural](https://api-thirukkural.web.app/) | 1330 Thirukkural poems and explanation in Tamil and English | No | Yes | Yes |
 | [Vedic Society](https://aninditabasu.github.io/indica/html/vs.html) | Descriptions of all nouns (names, places, animals, things) from vedic literature | No | Yes | Unknown |
+| [Wolne Lektury](https://wolnelektury.pl/api/) | API for obtaining information about e-books available on the WolneLektury.pl website | No | Yes | Unknown |
 
 **[⬆ Back to Index](#index)**
 ### Business

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