### Clue: Dickens, perhaps, about first in reading material, primarily at this time of year (9)
### Answer: CHRISTMAS 
 ### Explanation: Definition: this time of year 
 CHAS(abbrev. for "Charles", an example of whom;perhaps is Dickens, the novelist) **containing**(about) [ IST(1st;first, with "1" substituted by its Roman numeral) **contained in**(in) **the 1st letters, respectively, of**(…, primarily) "reading material" ].