I’ve not read the novel, but there’s a great interview with him on the OtherPpl podcast (actually three interviews, but I only heard the last of them):

In reverse chronological order:

https://radiopublic.com/otherppl-with-brad-listi-WPBXQ8/s1!1...

https://radiopublic.com/otherppl-with-brad-listi-WPBXQ8/s1!9...

https://radiopublic.com/otherppl-with-brad-listi-WPBXQ8/s1!6...