diff --git a/book/src/SUMMARY.md b/book/src/SUMMARY.md
index 16b173a..0f600b4 100644
--- a/book/src/SUMMARY.md
+++ b/book/src/SUMMARY.md
@@ -11,6 +11,15 @@
         - [Interacting with bevy in callbacks](./lua/interacting_with_bevy.md)
         - [Builtin types](./lua/builtin_types.md)
         - [Builtin variables](./lua/builtin_variables.md)
+    - [Ruby](./ruby/ruby.md)
+        - [Installation](./ruby/installation.md)
+        - [Hello World](./ruby/hello_world.md)
+        - [Spawning scripts](./ruby/spawning_scripts.md)
+        - [Calling Rust from Ruby](./ruby/calling_rust_from_script.md)
+        - [Calling Ruby from Rust](./ruby/calling_script_from_rust.md)
+        - [Interacting with bevy in callbacks](./ruby/interacting_with_bevy.md)
+        - [Builtin types](./ruby/builtin_types.md)
+        - [Builtin variables](./ruby/builtin_variables.md)
     - [Rhai](./rhai/rhai.md)
         - [Installation](./rhai/installation.md)
         - [Hello World(TBD)]()