THE KREMLIN (168 pp.)David Douglas DuncanN.Y. Graphic Society ($25).
The crown is an iridescent fountain of bubbling jewels. Diamonds spill and shimmer like droplets of moonlight. At its pinnacle, a huge, rough-cut ruby stares like an evil red eye. The diamond crown of Peter the Great is one of 80-odd superb photographic still lifes of the Kremlin's quasi-barbaric, Byzantine splendors, caught with eloquent precision by David Douglas Duncan's camera. This glittering hoardjeweled scepters and prayer books, imperial gowns and priestly vestments, carriages and throneswas buried art treasure until Duncan wangled Khrushchev's permission in 1956 to roam the Kremlin's history-haunted, relic-strewn halls and...