Christmas crossword solution

The grid quotation was from the JOURNEY OF THE MAGI (T S ELIOT). Initial letters of superfluous words spelled out ‘Heap on more wood, the wind is chill / But let it whistle where it will / We’ll keep our Christmas merry still’, from MARMION (Sir Walter SCOTT). Unclued works by these authors were the SACRED WOOD, FOUR QUARTETS, the HOLLOW MEN, ASH WEDNESDAY, the WASTE LAND, the ROCK (Eliot), the FAIR MAID OF PERTH, ROB ROY, the HEART OF MIDLOTHIAN, the LADY OF THE LAKE, the PIRATE, IVANHOE (Scott). The light to be highlighted was CATS (based on Eliot).

The grid quotation was from the JOURNEY OF THE MAGI (44 82) (T S ELIOT)(116). Initial letters of superfluous words spelled out ‘Heap on more wood, the wind is chill / But let it whistle where it will / We’ll keep our Christmas merry still’, from MARMION (63) (Sir Walter SCOTT) (25A).