Ellen´s energy adventure

Follow the story of Ellen, a young girl who helps lost energy, Posi and Neg, return to the grid. Along the way we explore all the energy sources and the smart grid, learn about the climate crisis, and find ways to conserve energy around the house. Illustration done by Eveliina Saarentaus.

© 2023 Helen Oy (كتاب ): 9789529481071

تاريخ الإصدار

كتاب : ٢٦ أغسطس ٢٠٢٣