Excellent guide (76 pages in current edition) written by people who live in the city.
You can pick it up for €2 in Berlin from tourist and book shops.
Alternatively you can download the PDF version for free from their website.

www.inyourpocket.com/germany/berlin

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Lots of great web guides are written in German or English. This one is written in Danish.

On this site Danish readers will find all the information needed for a great trip to Berlin. Bring your children, your friends, your wife, your parents, yourself.

www.berlin-guide.dk

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This is Berlin's monthly English-language city magazine. For two euros you get a decent, funnily written read on politics, culture, etc in Berlin. Handy classified section. Up-to-date film listings on their website.

Available at newsagents, or online at www.exberliner.com

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I took a private guide that took me through "Jewish" Berlin, but also gave me a lot more. I've read a (good) guide book before, but he took us to places that weren't in the book and demonstrated knowledge about other things (we've asked him about restaurants, politics in Germany today, etc). The guide's name is Nadav. He is a grad student and also active in the Jewish community there.

I certainly recommend the private tour (it is also not that expensive, and you get a guide all for yourself, in your tempo and customized).

www.geocities.com/nadavgablinger/

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