A tangled story: the coevolution of lichen

I’m a sucker for multi-volume books. Whether it is GRR Martin’s Game of Thrones, Robert Jordan’s Wheel of Time, Tad William’s Shadowmarch, Dennis McKiernan’s Mithgar or JRR Tolkien’s Middle-earth, I like nothing more than getting lost in the depth and sheer volume of story that these authors have created (all that…