Author
Marina Bachmann, Reilika Ilp, Kaja Kilk, Monika Kopti, Eno Leies, Katriin Loorents, Tiit Metusala, Merlis Nõgene, Katrin Sipelgas, Enna Sirkel, Tuuli Sokmann, Erki Tammiksaar, Eliis Vennik. Co-authors: Aapo Ilves, David Vseviov
Illustrated
Taivo Org, Joosep Maripuu
Publishing company
Eesti Energia AS