+(ordered by preference, no e-books with restrictive DRM please.)
+
+ * Karl Popper: Logik der Forschung.
+ * Bill Bryson: The Mother Tongue. ISBN: 0-380-71543-0
+ * 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