German issues

Some special issues that could interest you:

German spelling reform: detailed information about the 1996 spelling reform
German grammar: umlauting: when and how to replace an a with an ä
German 'to like': how to express that you like a person, object or activity
German 'to put': various ways to express "putting something on/in/under something" and the corresponding active verbs
German 'to know': the difference between "wissen" and "kennen"
German verb prefixes: prefixes changing the meaning of common verbs
German dialects
German diminutives
German politeness: Du vs. Sie
German impoliteness: How to insult someone in German
Colloquial German: Learn how the language is really spoken