What is the Trooping the Colour?
The official birthday of Queen Elizabeth II is marked each year by a military parade and march-past, known as Trooping the Colour (Carrying of the Flag). The official name is “the Queen’s Birthday Parade”.
On 09/06/2018 your mission will be to release at sunset a book with any colour in the title or author’s name. You can also use the word Trooping to link to the theme.
ETA you can also use Birthday, flag or Queen references or pictures on the cover.