diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..fd32b17
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,61 @@
+book-a4.pdf: book.md
+	pandoc                           \
+	    --standalone                 \
+	    --toc                        \
+	    --toc-depth 2                \
+	    --number-sections            \
+	    --highlight-style zenburn    \
+	    -V documentclass:article     \
+	    -V papersize:a4              \
+	    -V fontsize:14pt             \
+	    -V geometry:"top=2.5cm,      \
+	                 bottom=2.6cm,   \
+	                 left=2.8cm,     \
+	                 right=2.8cm"    \
+	    $< -o $@
+
+book-a4.ps: book-a4.pdf
+	pdf2ps $< $@
+
+book-a4-signature.ps: book-a4.ps
+	psbook $< $@
+
+book-a4-signature.pdf: book-a4-signature.ps
+	ps2pdf $< $@
+
+book-a5.ps: book-a4.ps
+	psnup -2 $< $@
+
+book-a5-signature.ps: book-a5.ps
+	psbook $< $@
+
+book-a5-signature.pdf: book-a5-signature.ps
+	ps2pdf $< $@
+
+.PHONY: clean
+clean:
+	rm -f book-a4.pdf
+	rm -f book-a4.ps
+	rm -f book-a4-signature.pdf
+	rm -f book-a4-signature.ps
+	rm -f book-a5.pdf
+	rm -f book-a5.ps
+	rm -f book-a5-signature.pdf
+	rm -f book-a5-signature.ps
+
+.PHONY: help
+help:
+	@echo "Usage:"
+	@echo "  make TARGET"
+	@echo
+	@echo "Available targets:"
+	@echo "  book-a4.pdf"
+	@echo "  book-a4.ps"
+	@echo "  book-a4-signature.pdf"
+	@echo "  book-a4-signature.ps"
+	@echo "  book-a5.pdf"
+	@echo "  book-a5.ps"
+	@echo "  book-a5-signature.pdf"
+	@echo "  book-a5-signature.ps"
+	@echo "  clean"
+	@echo "  help"
diff --git a/criptolibretto.md b/book.md
similarity index 96%
rename from criptolibretto.md
rename to book.md
index e097d2f..0f0dddb 100644
--- a/criptolibretto.md
+++ b/book.md
@@ -2,15 +2,6 @@
 title: "Cripto libretto"
 author: Unit hacklab - unit@paranoici.org
 date: 15 Aprile 2018
-documentclass: extarticle
-papersize: A4
-output: pdf_document
-fontsize: 14pt
-geometry: top=2.5cm, bottom=2.6cm, left=2.8cm, right=2.8cm
-toc: true
-number_sections: true
-toc_depth: 2
-highlight: zenburn
 lang: italian
 ---