diff --git a/chapter11/annotations/jsonxml/jsonxml.go b/chapter11/annotations/jsonxml/jsonxml.go
new file mode 100644
index 0000000..3940da5
--- /dev/null
+++ b/chapter11/annotations/jsonxml/jsonxml.go
@@ -0,0 +1,22 @@
+package main
+
+import (
+	"encoding/json"
+	"encoding/xml"
+	"os"
+)
+
+type Person struct {
+	FirstName string `json:"first" xml:"firstName,attr"`
+	LastName  string `json:"last" xml:"lastName"`
+}
+
+func main() {
+	p := &Person{FirstName: "Inigo", LastName: "Montoya"}
+	j, _ := json.MarshalIndent(p, "", "  ")
+	os.Stdout.Write(j)
+	println()
+
+	x, _ := xml.MarshalIndent(p, "", "  ")
+	os.Stdout.Write(x)
+}