diff --git a/free-programming-books-it.md b/free-programming-books-it.md
index 3f9e62ade243f31ff6502941ebe29adf857950ed..fea1277e0c17582e8f542b8ea07e90ef564bc1aa 100644
--- a/free-programming-books-it.md
+++ b/free-programming-books-it.md
@@ -21,6 +21,7 @@
 * [HTML](#html)
 * [Java](#java)
 * [JavaScript](#javascript)
+* [Kotlin](#kotlin)
 * [LaTeX](#latex)
 * [Linux](#linux)
 * [Livecode](#livecode)
@@ -167,6 +168,11 @@
 * [Guida di riferimento](http://lia.deis.unibo.it/Courses/TecnologieWeb0809/materiale/laboratorio/guide/JScriptRef_Ita.pdf) (PDF)
 
 
+### Kotlin
+
+* [Kotlin](http://www.vittal.it/wp-content/uploads/2019/07/kotlin.pdf) - V. Albertoni (PDF)
+
+
 ### LaTeX
 
 * [Appunti di programmazione in LaTeX e TeX](http://profs.sci.univr.it/~gregorio/introtex.pdf) - Enrico Gregorio (PDF)