I read this trilogy several years ago and found it to be extremely interesting, although a bit heavy on the scientific jargon and technical details. This series takes place over a 200 year time period and chronicles the colonization of Mars, from the first 100 settlers up to the point when a terraformed Mars holds a population in the millions. A technology developed in the 2060's extends the human lifespan dramatically, allowing the main characters to survive into the 2200's. The Martian colony is confronted with a wide range of political issues, the major ones dealing with whether or not to terraform mars, and the other one being a desire to be independent from Earth. The most interesting part of the series for me was seeing Robinsons vision of the future, especially in Blue Mars, where the entire solar system is being colonized and fusion powered ships can traverse the distances between worlds in days or weeks. Has anybody else read this series? There's a fourth book, called The Martians, which is composed of short stories. I haven't read this one unfortunately.