You can study black holes in your kitchen sink. This book on gravity wants to change the way we think about the most fundamental force - BBC Sky at Night Magazine

Gravity is something that we’re all innately familiar with. It keeps our feet on the ground, fights against a rocket trying to leave Earth and governs the movement of the planets and stars.

And yet, gravity is something that most of us do not fully understand. General relativity, the best theory of gravity that we have, is complicated and doesn’t operate effectively at all scales.