| Author: | Rivers, Dean | 
| Subject: | PN, Puzzles, Riddles | 
| Format: | Text | 
| Date issued: | 2016 | 
| Language: | English | 
| Publisher: | Project Gutenberg, | 
| Rights: | Public domain in the USA. | 
| Download link: | Conundrums, Riddles and Puzzles : Containing one thousand of the latest and best conundrums, gathered from every conceivable source, and comprising many that are entirely new and original [electronic resource] / Dean Rivers | 
