> ## Documentation Index > Fetch the complete documentation index at: https://docs.primastem.com/llms.txt > Use this file to discover all available pages before exploring further. # Resources > Third-party resources useful for lessons with PrimaSTEM | Description | Language | Link | | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | The story of Logo (1967–1987), accounts and documents by Cynthia Solomon, a co-author of the language. | EN | Our web fork: [https://logothings.primastem.com/](https://logothings.primastem.com/)
Original in Markdown: [https://github.com/walterbender/logothings](https://github.com/walterbender/logothings) | | "Programming in Logo" books from ETH Zürich: free, plus classroom materials. The books are at the bottom of the page. | 10 languages | [https://www.abz.inf.ethz.ch/ressourcen/xlogo](https://www.abz.inf.ethz.ch/ressourcen/xlogo) | | A ready-to-use lesson sequence with PrimaSTEM, mapped to the French school curriculum (kindergarten, cycles 2–3): from meeting the robot to grid programming, functions and geometric shapes. Written and classroom-tested by Pauline Richard, an Éducation nationale pedagogical advisor (Lamballe). | FR | [https://www.scribd.com/document/1075590842/Robotique-Avec-PrimaSTEM](https://www.scribd.com/document/1075590842/Robotique-Avec-PrimaSTEM) |