Many informations and sites regarding the TPS are in German, so if you can read in German language use the link list on the German part of this page. But Juergen Pintaske has written some books on the MyCO, which is his name for the English version of the TPS. Have a closer look on it, it’s a great introduction (and more).
A new printed book for the MyCo/TPS at amazon
Programming Myco/TPS
Another eBook from Juergen Pintaske for the Myco/TPS
| Juergens MyCO Tutorial
And there is now a print book at amazon
Programming Myco/TPS
What's forth? A start with forth