diff --git a/crates/web-sys/README.md b/crates/web-sys/README.md
index 8e363928..be571193 100644
--- a/crates/web-sys/README.md
+++ b/crates/web-sys/README.md
@@ -1,3 +1,5 @@
 # `web-sys`
 
 Raw bindings to Web APIs for projects using `wasm-bindgen`.
+
+The book: https://rustwasm.github.io/wasm-bindgen/web-sys.html