Quote:
Originally Posted by meeera
What do you mean by "puzzle book"? To me, that would be a book full of crosswords and acrostics and similar pencil puzzles.
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Riddles and logic puzzles count.
Check the one linked above. Might even try the sample.
Or, this:
http://www.newser.com/story/253686/t...ch-deeper.html
Or these:
https://www.riddles.com
There's plenty of casual games and apps in the field, too.
Some are text, some are graphical.
It's one area where interactive ebooks could thrive.