Added a bit more info.

Author: drauk

README.md

@@ -1,4 +1,10 @@
 # mp
-More than 700 metapost example diagrams for a mathematics book.
+More than 700 MetaPost example diagrams for a mathematics book.
 
 Run "make" to make the file mpdemo.pdf.
+
+These MetaPost examples demonstrate a wide range of MetaPost's capabilities.
+
+These examples are not a tutorial, but you could use them as a <q>MetaPost cookbook</q>.
+
+My [4-volume 2000-page mathematics book](http://www.geometry.org/tex/conc/dgchaps.html) uses most of these diagrams.