diff --git a/cmd/lint.go b/cmd/lint.go
index 1ee5056..dc0d2aa 100644
--- a/cmd/lint.go
+++ b/cmd/lint.go
@@ -89,6 +89,10 @@ func lintTrack(path string) bool {
 			check: missingMetadata,
 			msg:   "An implementation for '%v' was found, but config.json does not reference this exercise.",
 		},
+		{
+			check: missingReadme,
+			msg:   "The implementation for '%v' is missing a README.",
+		},
 		{
 			check: missingSolution,
 			msg:   "The implementation for '%v' is missing an example solution.",
@@ -201,6 +205,25 @@ func missingSolution(t track.Track) []string {
 	return slugs
 }
 
+func missingReadme(t track.Track) []string {
+	readmes := map[string]bool{}
+	for _, exercise := range t.Exercises {
+		readmes[exercise.Slug] = exercise.HasReadme()
+	}
+	// Don't complain about missing readmes in foregone exercises.
+	for _, slug := range t.Config.ForegoneSlugs {
+		readmes[slug] = true
+	}
+
+	slugs := []string{}
+	for slug, ok := range readmes {
+		if !ok {
+			slugs = append(slugs, slug)
+		}
+	}
+	return slugs
+}
+
 func missingTestSuite(t track.Track) []string {
 	tests := map[string]bool{}
 	for _, exercise := range t.Exercises {
diff --git a/cmd/lint_example_test.go b/cmd/lint_example_test.go
index c2dac02..2c2083d 100644
--- a/cmd/lint_example_test.go
+++ b/cmd/lint_example_test.go
@@ -16,6 +16,7 @@ func ExampleLint() {
 	lintTrack(filepath.FromSlash("../fixtures/numbers"))
 	// Output:
 	// -> An exercise with slug 'bajillion' is referenced in config.json, but no implementation was found.
+	// -> The implementation for 'four' is missing a README.
 	// -> The implementation for 'three' is missing an example solution.
 	// -> The implementation for 'two' is missing a test suite.
 	// -> The exercise 'one' was found in config.json, but does not have a UUID.
diff --git a/cmd/lint_test.go b/cmd/lint_test.go
index 44ee1ae..e360631 100644
--- a/cmd/lint_test.go
+++ b/cmd/lint_test.go
@@ -110,6 +110,27 @@ func TestMissingMetadata(t *testing.T) {
 	assert.Equal(t, "cherry", slugs[1])
 }
 
+func TestMissingReadme(t *testing.T) {
+	track := track.Track{
+		Exercises: []track.Exercise{
+			{Slug: "apple"},
+			{Slug: "banana", ReadmePath: "README.md"},
+			{Slug: "cherry"},
+		},
+	}
+
+	slugs := missingReadme(track)
+
+	if len(slugs) != 2 {
+		t.Fatalf("Expected missing solutions in 2 exercises, missing in %d", len(slugs))
+	}
+
+	sort.Strings(slugs)
+
+	assert.Equal(t, "apple", slugs[0])
+	assert.Equal(t, "cherry", slugs[1])
+}
+
 func TestMissingSolution(t *testing.T) {
 	track := track.Track{
 		Exercises: []track.Exercise{
diff --git a/fixtures/numbers/config.json b/fixtures/numbers/config.json
index e8f36e9..73ae56c 100644
--- a/fixtures/numbers/config.json
+++ b/fixtures/numbers/config.json
@@ -23,6 +23,12 @@
       "topics": [],
       "difficulty": 1
     },
+    {
+      "uuid": "444",
+      "slug": "four",
+      "topics": [],
+      "difficulty": 1
+    },
     {
       "uuid": "ddd",
       "slug": "bajillion",
diff --git a/fixtures/numbers/exercises/four/example.ext b/fixtures/numbers/exercises/four/example.ext
new file mode 100644
index 0000000..e69de29
diff --git a/fixtures/numbers/exercises/four/test.ext b/fixtures/numbers/exercises/four/test.ext
new file mode 100644
index 0000000..e69de29
diff --git a/track/track_test.go b/track/track_test.go
index 6eb5e1f..d77fd2f 100644
--- a/track/track_test.go
+++ b/track/track_test.go
@@ -19,6 +19,7 @@ func TestNewTrack(t *testing.T) {
 		"one":   false,
 		"two":   false,
 		"three": false,
+		"four":  false,
 	}
 
 	assert.Equal(t, len(slugs), len(track.Exercises))