the light of other days by arthur c. clarke and stephen baxter takes an idea that was a minor element of clarke’s childhood’s end and really explores the ramifications: what happens when you can open a window into any other point in space, and even into the past? it’s the death of secrets. religions collapse. governments crumble. people go into hiding, moving about under chameleon-like cloaks and within darkened spaces.

fun stuff, and a story well told.