From James' list on exploring big things in space.
Rama is a spaceship, not a space station, but it's huge and ancient, and at first appears to be abandoned. Then the human explorers realize it's just sleeping. This is a prime example of science fiction's "sense of wonder" at the strangeness of the Universe. When I read it, at about age 14, it utterly blew me away with its combination of rock-hard science and utter weirdness. It also has the best final line ever.
Why should I read it?
What is this book about?
In the year 2130, a mysterious and apparently untenanted alien spaceship, Rama, enters our solar system. The first product of an alien civilisation to be encountered by man, it reveals a world of technological marvels and an unparalleled artificial ecology.
But what is its purpose in 2131?
Who is inside it?