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I just finished reading this cute comic about some surprisingly serious topology. It's something a younger version of myself would have really gotten into, but I still appreciated it a lot: http://www.savoir-sans-frontieres.com/JPP/telechargeables/English/Topo_the_world_eng.pdf
It's also apparently part of a series of dozens of comics about other surprisingly serious academic subjects. The English translations are all collected here: http://www.savoir-sans-frontieres.com/JPP/telechargeables/free_downloads.htm#english
I'll be giving them a read. I hope they're as nice as the one about topology