| name | size | date | |
 | up one level | 43 | 24 October 2018 |
 | 001.pr | 233 kb | 9 February 2018 |
| 002.pr | 233 kb | 9 February 2018 |
| 003.pr | 233 kb | 9 February 2018 |
| 100526 ch1.pdf (r2) | 237 kb | 9 February 2018 |
| _bad_07.pdf | 3.0 Mb | 9 February 2018 |
| _bad_07_2.pdf | 3.0 Mb | 9 February 2018 |
| ch06.pdf | 456 kb | 9 February 2018 |
| ch07.pdf | 3.0 Mb | 9 February 2018 |
| errie0526.pdf | 222 kb | 9 February 2018 |
| errie0616.pdf | 3.4 Mb | 9 February 2018 |
| kanemune0424.pdf | 177 kb | 9 February 2018 |
| kuno ch04.pdf | 344 kb | 9 February 2018 |
| Mindstorms-5.pdf | 114 kb | 9 February 2018 |
 | papert.PNG | 229 kb | 9 February 2018 |
| Squeak.exe | 1.0 Mb | 9 February 2018 |