diff --git a/basis/booleans/booleans-docs.factor b/basis/booleans/booleans-docs.factor
new file mode 100644
index 0000000000..d3e9dfaed3
--- /dev/null
+++ b/basis/booleans/booleans-docs.factor
@@ -0,0 +1,7 @@
+! (c)2009 Joe Groff, see bsd license
+USING: help.markup help.syntax ;
+IN: booleans
+
+HELP: boolean
+{ $class-description "A union of the " { $link POSTPONE: t } " and " { $link POSTPONE: f } " classes." } ;
+
diff --git a/basis/booleans/booleans-tests.factor b/basis/booleans/booleans-tests.factor
new file mode 100644
index 0000000000..4b3154236d
--- /dev/null
+++ b/basis/booleans/booleans-tests.factor
@@ -0,0 +1,7 @@
+! (c)2009 Joe Groff, see bsd license
+USING: booleans tools.test ;
+IN: booleans.tests
+
+[ t ] [ t boolean? ] unit-test
+[ t ] [ f boolean? ] unit-test
+[ f ] [ 1 boolean? ] unit-test
diff --git a/basis/booleans/booleans.factor b/basis/booleans/booleans.factor
new file mode 100644
index 0000000000..0ec7db33bf
--- /dev/null
+++ b/basis/booleans/booleans.factor
@@ -0,0 +1,5 @@
+! (c)2009 Joe Groff, see bsd license
+USING: kernel ;
+IN: booleans
+
+UNION: boolean POSTPONE: t POSTPONE: f ;