The 'Fix You' interpreters will publish their 'memoirs' with Penguin later this year.
"I'm over the moon to be working with Union J on their first book," mused your friend and ours Daniel Bunyard, who is of course Editorial Director of Penguin.
"They have huge talent, a great chemistry together and a genuine passion towards what they're doing. This will be a massive title for later this year, packed full of exclusive, beautifully-shot photography."
The band had this to say about it all: "We are very excited to be working with Penguin on our first book and are looking forward to the chance tell our stories, of how we came together and where we came from, as well as the journey we've taken since X Factor."
There will also be a children's annual which will come out via Puffin. 3 down in the crossword is 'TULISA'.