diff --git a/book-monads b/book-monads
index b96a072..8e9ea6c 160000
--- a/book-monads
+++ b/book-monads
@@ -1 +1 @@
-Subproject commit b96a072b3a80e689cb99dc6e9922add0d6d93c87
+Subproject commit 8e9ea6c8e0db00818f4384127fabf6022be30daf
diff --git a/book-radn b/book-radn
index 3a7d550..1a04d7f 160000
--- a/book-radn
+++ b/book-radn
@@ -1 +1 @@
-Subproject commit 3a7d5509dcb8da674690faed0bcac06b40a9f609
+Subproject commit 1a04d7f90a095be464c8b155856f2ef922582d4e