Griffin Gate, , HarperCollins Publishers, Vashti Hardy,Children’s / Teenage fiction: Action and adventure stories,Children’s / Teenage fiction and true stories, adventure;Fantasy;found family;friendship;Girls in STEM;Griffin Gate;kindness;Mystery;Sci-Fi;Steampunk;STEM;The Griffin Gate;Vashti Hardy,, , United Kingdom, en-GBhttps://www.harpercollins.co.ukadventure;Fantasy;found family;friendship;Girls in STEM;Griffin Gate;kindness;Mystery;Sci-Fi;Steampunk;STEM;The Griffin Gate;Vashti Hardy, [BLURB],[CITY],,books, ebooks, biblet, Book2look