For US/Canadian readers
E-book, hardback & trade paperback and audiobook available from Tor Books at the retailer of your choice including via Bookshop.org
For Australian/NZ readers

Paperback and e-book out now by Transworld/Penguin Random House – buy at your favourite retailer
OR
Find your local bookstore at booksellers.org.au
For UK readers
Mass market paperback (City of Lies currently, Hollow Empire 2021), hardback and e-book OUT NOW by Transworld/Penguin Random House.
Buy your preferred format at the retailer of your choice
Buy now at