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  • Published: 3 July 2025
  • ISBN: 9781529963427
  • Imprint: Vintage Digital
  • Format: Audio Download
  • RRP: $34.99

Seesaw Monster




Two inventive tales of espionage in one, from the internationally bestselling author of Japanese fiction sensation Bullet Train

Two inventive tales of espionage in one, from the internationally bestselling author of Japanese fiction sensation Bullet Train

In Japan's recent past, Miyako suspects her mother-in-law is a murderer. She uses her secret skills as an ex-spy to investigate her, while trying to maintain a peaceful home life.

And in Japan's not-too-distant future, a courier named Mito finds himself embroiled in the death of the developer of a sinister AI surveillance system.

Seesaw Monster contains two sharp, thrilling novellas from the bestselling and multi-award-winning writer Kotaro Isaka.

  • Published: 3 July 2025
  • ISBN: 9781529963427
  • Imprint: Vintage Digital
  • Format: Audio Download
  • RRP: $34.99

About the author

Kotaro Isaka

Kotaro Isaka is a bestselling and multi-award-wining writer who is published around the world. He has won the Shincho Mystery Club Award, Mystery Writers of Japan Award, Japan Booksellers’ Award and the Yamamoto Shugoro Prize and twelve of his books have been adapted for film or TV. Kotaro Isaka is a bestselling and multi-award-winning writer who is published around the world. He has won the Shincho Mystery Club Award, Mystery Writers of Japan Award, Japan Booksellers' Award and the Yamamoto Shugoro Prize and twelve of his books have been adapted for film or TV. He is the author of the internationall bestseller Bullet Train.

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Praise for Seesaw Monster

Thoroughly enjoyable

Guardian, on BULLET TRAIN

Unlike anything you're likely to have read before...white-hot with double-crosses

Financial Times, on BULLET TRAIN

Entertaining...high-speed...with lots of twists and turns...it has a Tarantino-meets-the-Coen-Brothers feel to it

The Times, on BULLET TRAIN

An offbeat but touching thriller, with a wonderful final twist

Mail on Sunday, on THE MANTIS

Isaka’s exceptional latest combines the author’s flair for violent comic farce with an unsettling look at the near future. Isaka’s talent for kinetic, hilarious carnage is on full display, and it’s fortified with philosophical depth and surprisingly potent ruminations on the nature of fate. This ranks among the author’s best

Publishers Weekly

Fascinating and thought provoking with some genuine surprises and incredibly clever ideas that kept me thinking about it long after I finished it… a Japanese Black Mirror!

Ajay Chowdhury, author of THE WAITER