+ * Karl Popper: Logik der Forschung.
+ * Richard H. Thaler, Cass R. Sunstein: Nudge. ISBN-13: 978-0-14-311526-7
+ * oder auf Deutsch: Nudge: Wie man kluge Entscheidungen anstößt, ISBN-13: 978-3548373669
+ * Bruce Bueno de Mesquita, Alastair Smith: The Dictator's Handbook: Why Bad Behavior is Almost Always Good Politics.
+ * Raymond Chen: The Old New Thing: Practical Development Throughout the Evolution of Windows. ISBN-13: 978-0321440303
+ * Stephen Coles: The Anatomy of Type, Harper Design, US, ISBN-13: 978-0062203120
+ * more “Discworld” novels by Terry Prattchet (R.I.P.), in English or German
+ * already got “Mort”, “Guards! Guards!”, “The Color of Magic”, “The Light Fantastic”, “Hogfather”
+ * based on that, refer to the [Discworld Reading Order Guides](http://www.lspace.org/books/reading-order-guides/) for your optimal choice
+ * Michael E. Gerber: The E-Myth Revisited. HarperCollins 1995, ISBN-13: 978-0887307287
+ * Anything written by Donald E. Knuth (in English please). For the long term, “The Art of Computer Programming” would be nice to have.
+ * Already got “The Art of Computer Programming”, Volume 1.
+ * John Napier: Hands. Princeton University Press, 1993. ISBN-13: 978-0691025476
+ * Jeffrey Friedl: Mastering Regular Expressions. O'Reilly 1997, ISBN 1-56592-257-3