Whether it's sci-fi or fantasy, you like a big series. You love when a book says 1 of 5/10/50+. Is the reading order of the series hotly debated? Is there a wiki chart to show how the books connect? Even better. Come spend some time in these worlds.

The climate is intrinsic to life on Earth. What happens when it changes? These books examine our reality and imagined futures, both dystopian and utopian, to offer us words of warning, but also hope.

Embark on this epic space adventure that includes some of the greatest and a few rising star space opera series! (This only includes main series books, not novellas, spin-offs or side stories.)