(ordered by preference, no e-books until the DRM issue is gone.)
* John Scalzi: The Ghost Brigades, ISBN-13: 978-0765354068
+ * more “Discworld” novels by Terry Prattchet, in English or German
+ * already got “Mort”, “Guards! Guards!”, “The Color of Magic”, “The Light Fantastic”
+ * based on that, refer to the [Discworld Reading Order Guides](http://www.lspace.org/books/reading-order-guides/) for your optimal choice
* Bryan Lee O'Malley: Scott Pilgrim (for example, [this](http://www.amazon.de/Scott-Pilgrim-Boxed-Set-Poster/dp/1934964573/?tag=aflattrcom506-21) 6 Volume Set)
* Christopher Hadnagy: Social Engineering: The Art of Human Hacking. ISBN-13: 978-0470639535
* Jon Loeliger: Versionskontrolle mit Git, O'Reilly Verlag, Köln 2010. ISBN-13: 978-3897219458 (or in English: ISBN-13: 978-0596520120)