Roppongi is available in paperback and eBook from the three Amazon sites below (US, UK, and Canada), and as an eBook from whichever Amazon site you typically use from your country. If you enjoy the novel, please do me the favour of posting a review and letting me know why it rocked your world! Reviews make all the difference, so don't be shy about spreading the love, and put some good karma out there. I very much hope you have a great time with it! 🙂