I believe you can buy from his page (link in signature)
his website wrote:
An order you can send to address : jezekvkleci(at)email.cz . To your order write please CODE and AMOUNT of puzzles.
Postage to worlwide : First item US $12.00, US $5.00 for each next item.
I send out via registered airmail only.
Here's the link directly to the page it's on > http://www.hlavolamy-puzzles.cz/8X43F9T/jinemi.html