Hilda and the Hidden People (Netflix Original Series book 1) : 1

Join our beloved heroine as she encounters her very first troll, negotiates peace with some very persnickety elves, and reunites two lovelorn ancient giants. Fantastic creatures and daring adventures are all just part of another average day for Hilda... but what will she do if she is forced to move to Trolberg city, far away from her beloved valley home?