9 fascinating books about the greatest friendships in politics

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It's the end of an era.

Tuesday night, US President Barack Obama will say goodbye to the American public during his Farewell Address in Chicago.

Come Inauguration Day, the US won't just be bidding the 44th president adieu. We'll also be saying au revoir to the incredible friendship between Obama and US Vice President Joe Biden.

So, if you want to beat the Obama/Biden bromance memes withdrawal, make sure to check out these books.

Amazon Books senior editor Erin Kodicek created this list of the best books about surprising, strange, and often heartwarming political friendships.

Here are her picks, listed in no particular order, with descriptions in her own words: