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Riddle-Poems, and How to Make Them - http://www.catb.org/~esr/riddle-poems.html
The gentle and literate art of the rhyming riddle. |
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Harder Riddles - http://puzzle.dse.nl/harder/index.html
Some harder riddles marked with stars to identify the degree of difficulty of each riddle. Accompanied with answers. |
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MindBreakers - http://www.mindbreakers.com/
Since 1995 free puzzles, riddles, brain teasers, quizzes, and games. Fascinating riddles and multipart puzzles. |
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RiddleAday - http://www.riddleaday.com/
Riddles, puzzles and brain teasers to challenge and entertain all ages. [E-mail lists] |
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Amusements in Mathematics - http://www.thinks.com/puzzles/dudeney/dudeney.htm
Riddles by Henry Ernest Dudeney. |