The Shadow of Heaven - Bob Shaw
I've been reading Bob Shaw on and off for decades, but at the moment reading his books again serves as a kind of antidote for Cixin Liu . While there is no denying that exploring future science, technology and progress (or extinction) of humanity with a speculative hard science foundation is fascinating and relevant, Shaw isn't so rigorous about what science and physics is capable of, or indeed what is desirable. That's not to diminish Shaw’s writing as fanciful or pulp SF. Even his most outlandish ideas have a firm basis in reality or can be applied as being fairly accurate representations of the world we are beginning to see around us today. Most importantly, he considers the reasons why humanity can be pushed to develop dangerous technologies and considers the consequences. Even more importantly, he makes it thoroughly entertaining. First published in 1969, there are any number of recognisable contemporary world situations you could apply to the subjects he writes about ...