diff --git a/README.md b/README.md
new file mode 100644
index 0000000..f0a01f3
--- /dev/null
+++ b/README.md
@@ -0,0 +1,11 @@
+- all languages from the paper are in `tapl/` directory
+
+- see `tapl/README.md` for language reuse information
+
+- tests are in `tapl/tests/` directory
+
+- run all calculi tests with `racket tapl/tests/run-all-tests.rkt`
+
+- mlish language is in `tapl/mlish.rkt`
+ - mlish tests are in `tapl/tests/mlish/`
+ - run all mlish tests with `racket tapl/tests/run-all-mlish-tests.rkt`
\ No newline at end of file