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Lincoln's Melancholy: How Depression Challenged a President and Fueled His Greatness von Joshua Wolf Shenk, http://www.amazon.de/dp/B0085TK3CS/ref=cm_sw_r_pi_dp_FeVFsb1DCPT4S

von Event Marketer

HMH Launches The Education-Based Curious World Tour

Houghton Mifflin Harcourt this summer hit the road with the Curious World Tour…