The joy has gone from the glass. The ceildih's darkened.
The pitiless threadbare rain's thin sheets fall round
The harbour boats where shattered stars are floating,
Dropped from their Highland heaven.
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I recently got one of my poems published in an elementary text book about rainbows in the UK. Across the page from mine was another poem about rainbows by Iain Crichton Smith. I searched in poem Hunter to see if he is published in here and found your poem.