The diary companion; being a supplement to The ladies' diary : for the year 1801. Containing answers to the last year's enigmas, rebuses, charades, ... both in the Diary and Supplement. ... / By the Diary author.

The Diary author = Charles Hutton, editor of the Ladies' diary.
Below imprint: Price twelve-pence, stitched.
No calendar; supplement includes rebuses, riddles, poems, general queries, and mathematical queries and exercises; with answers provided for material published in the the previous issue.