Susan Spann is the award-winning author of CLIMB (Prometheus Books, 2020) and the Hiro Hattori mystery novels (Minotaur / Seventh Street Books), featuring ninja detective Hiro Hattori and Portuguese Jesuit Father Mateo.


Check out my published works and find out about what’s coming next!

The Ninja Blog

Join me as I blog about Japan, my books, my travels, and all the things I see along the way!

Praise for the Hiro Hattori Novels & CLIMB

Spann keeps getting better . . . a taut closed-circle mystery with perilous consequences. Fans of classic whodunits will be pleased. 

Publisher's Weekly
Publisher's Weekly

A tremendous reach into uncertainty amidst a cancer diagnosis, and ultimately her summits become a reward far more than the tops of the mountains she attains

Erik Weihenmayer
mountaineer, bestselling author, founder of NO BARRIERS

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