Easy-Medium Trigons Book

This is the easiest Trigons book I’ve published so far. So, if you haven’t already tried Trigons puzzles, then you should certainly start with this one. It also contains STEP-BY-STEP instructions on how to solve Trigons.

Remember, Trigons are not Sudoku! They are not even related. They are one of the most difficult kinds of puzzles to create and to the best of my knowledge, I am the only author who still creates them.

And, you should be warned, they are difficult to solve, too. However, in this book, I’ve deliberately added some starting clues to help you out and to make the solving process easier. This book is good for beginners and for kids, too.


  • 100 Trigons puzzles
  • 6 inches x 9 inches paper size and thick paper
  • Step-by-step instructions
  • All solutions
  • 30 Trigons puzzles, size 0 to 4
  • 40 Trigons puzzles, size 0 to 5
  • 30 Trigons puzzles, size 0 to 6

If you ever wanted to try a new kind of puzzle, I think this is the one you should try!

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Easy Medium Kakuro Puzzle Book

  • 8.5 inches x 11 inches paper size and thick paper
  • half of the puzzles are 10×15 and the other half are 10×10
  • half are easy, half are medium level of difficulty
  • 4 puzzles per page
  • all solutions

I think that says it all. 🙂

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Easy Medium Jigsaw Sudoku Puzzle Book

Here is a new jigsaw sudoku book I published! I think it’s a great value for money and also it makes for a nice gift for someone wanting to learn how to solve Jigsaw Sudoku puzzles.


  • More than 1,000 Jigsaw 9×9 Sudoku Puzzles
  • Difficulty level is suitable for those who are new to Jigsaw Sudoku, and also to those ready to advance a little
  • 8.5 inches x 11 inches paper size and thick paper
  • 4 puzzles per page
  • all solutions
  • all solving techniques explained with examples!

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Super Sudoku Quad Samurai Book

A new volume with QUAD Samurai Sudoku Puzzles has been released.

I tried to keep the price of this volume lower than others. Therefore, in this volume, you get 80 classic Super Samurai Sudoku puzzles, plus a couple of surprises at the end.


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World’s Hardest Killer Sudoku, vol 3

A new volume of World’s Hardest Killer Sudoku has just been published. Nothing’s changed from previous 2 volumes: 90 IQ Killer Sudokus and 10 INSANE Killer Sudoku puzzles in this book. Well, of course, all puzzles are NEW, not published before.

This book is certainly now for beginners. It is only for experienced Killer Sudoku solvers.

Are you up for this challenge?

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Picross book with 255 ALL NEW puzzles

Here is the first book for 2021 season!

It’s a Nonograms book with 255 puzzles. What’s important is that all puzzles in this book are NEW, and not published elsewhere. And they will not be published elsewhere. I plan to release one volume with about 250 puzzles (give or take) every year.

A majority of puzzles are THINKER and BRAIN difficulty.
Furthermore, more than 50 puzzles are of the sizes 15×15, 15×25, 30×20 and 30×40 each. I think those are the best sizes for picross puzzles, where 30×40 is, obviously, the most challenging and best looking puzzle size of all, with most details.

I really do think that this is the best Griddlers books I’ve published so far. The images are absolutely beautiful. And the puzzles are not too easy and not too hard. Well, some of them are a bit hard. But most of them are just the right difficulty.

Hope you will like it!

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Oh, Djape…

Back in the day, this website used to be alive and kicking. Now it’s barely alive and certainly not kicking anymore.

I tried to revive it, I even hired an agency to build a totally new website but, let me be frank, running a website never was my thing. I like programming and making puzzles, that’s all. And I will keep doing that in the form of the books I publish, which can be purchased from Amazon.

The content of this old website should all be there and you should be able to find the old puzzles and stuff. If something doesn’t work, please let me know.

If you, dear visitor, are interested in running my website and running newsletter campaigns on a PRO BONO basis until we see if we are a fit, please contact me at: djape at djape dot net.

I will occassionally update the website with information about new books and that’s more or less all.

Make sure to subscribe to my newsletter, that way you will be updated about new books.

Sorry… It was a lot of fun back in 2005 and until about 2009-2010.

But don’t worry… NEW BOOKS are coming VERY SOON!

Cheers <3

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