Planet: Official Order Form
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Free preview - 7 puzzles:
Full book - purchase & valid OGS login required:
Each tsumego hosts its own unique planet
Like a delicate flower in a galaxy, left to be cherished in our lives
I wonder if you can hear from inside the goban
The mysterious voices that belong to a different universe?
From tsumego guru Leon Chen 4p & creator Stephen Hu
Planet (2021) - a sequel to Spindrift (2019)
136 original puzzles, 136 stories
That seek to capture every emotion on the 19-by-19 board
2021.02.12 - Chinese New Year
Coming soon on OGS (
Interactive ebook for USD $10 / EUR €8.5 / GBP £7.5
Why not join us in the world of tsumego
And explore the unbounded universe
Made brilliant by intertwining black and white stones?
Planet (2021) - cover image
Preferred Contact Method (for delivery purposes)
Spindrift (2019) - cover image
Would you like to also order Spindrift? (our first original tsumego collection released in 2019:
Yes, and I'd like to get 50% off the second book (overall 25% discount)
I've already ordered Spindrift
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