| 2011 | 1,513 reads | 3.95 | |
| 2020 | 291 reads | 3.05 | |
Discover Your IQ Potential | 2003 | 0 reads | 0 | |
365 Exercises For The Mind | 1998 | 1 read | 0 | |
The Invisible Man: And Other Cases | 1998 | 0 reads | 0 | |
Wings of darkness and other cases | 1998 | 0 reads | 0 | |
Perplexing puzzles and tantalizing teasers | 1969 | 0 reads | 0 | |