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Diabolical Two Not Touch

Saturday, September 19th, 2020

Diabolical Two Not Touch is the latest addition to my Star Battle puzzle offerings on Amazon. My original Two Not Touch book series contains puzzles which start at the same difficulty as my puzzles in The New York Times and then get increasingly more difficult. The three new diabolical books start where the previous books […]

The mark of the unicorn

Saturday, December 8th, 2012

It’s been a long while since I’ve posted, but hopefully, there are still one or two of you out there who understand the value of a good RSS feed. I’m back to write about a book I’m enjoying, with the following cryptic title: 10 PRINT CHR$(205.5+RND(1)); : GOTO 10 If this line of BASIC code […]

Dumb Ripoff Alert

Friday, January 6th, 2012

I just found a book in the Kindle bookstore that (incompetently) rips off some of my sudoku puzzles. The book is called “The Most Difficult and Hardest Sudoku Puzzles” and is “copyrighted” by one Johnny Cohen. Here’s the cover: The cover helpfully informs you that the book is a BEST SELLER. Here’s a sample of […]

Want to make code art? Here’s your book.

Thursday, March 27th, 2008

I am sometimes asked by my art college students for a good book to introduce them to programming, that explains the basic concepts (such as functions and variables) and that is written for creative people, rather than computer science majors. Unfortunately, the book that worked so well for me is no longer available, nor relevant, […]