Routledge, 2020. Hardback ISBN 9780367146061 / Paperback ISBN 9780367146078
Further details at Routledge.
Here's the publishers blurb:
This is the opening paragraph of the Preface, which sets out what it hopes to do:
I have also written a short piece that sets out what the book tries to do: Marcus Aurelius, The All-Round Philosopher.