(In English. For foreign versions, it's best to check locally or online in your language.)
(Also, this isn't literally EVERYWHERE you can get them, but here are a LOT OF PLACES. Naturally, you should try your local bookstore!)
The Boy in the Smoke was originally published for World Book Day 2014 in the UK. Physical copies are only available in the UK. However, ANYONE, ANYWHERE can read the book for free on Wattpad! Just click here!