| Author: | Barr, Stephen |
| Subject: | PS, Science fiction, Teachers -- Fiction, Time travel -- Fiction, Experiments -- Fiction |
| Format: | Text |
| Date issued: | 2020 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Tybalt [electronic resource] / Stephen Barr |