disillusioned

* Children of Time - A hard scifi-meets-entomology-study take on how shifting perspectives work and the no-stone-left-unturned world building he does just really works.

Its sequel Children of Ruin was great too

* Elder Race - Tchaikovsky's Hugo-nominated novella does this really neat thing where it tells the same story from two different perspectives, which happen to perfectly meld fantasy with hard scifi in a super clever conceit.