Proud to announce that Yamada's Treasure is now available in four languages on Amazon:
Yamada's Treasure (English edition)
https://www.amazon.com/dp/B0FNVWJMDR
El tesoro de Yamada (Spanish edition)
https://www.amazon.com/dp/B0GN5RLNY5
Yamadas Schatz (German edition)
https://www.amazon.com/dp/B0GX2XRSKP
Yamada's Schat (Dutch edition)
https://www.amazon.com/dp/B0GDXJ23N2