Why would Sam want his Grandma’s old trainset and teddy when there’s a toy factory that makes rumbly red toys, grumbly green toys and so much more? Sam is about to find out in this story about reducing waste and taking responsibility for the environment.

Stef Gemmill is a children’s author and former technical writer, teacher, and music journalist. Her writing career kicked off with reviewing rock gigs. After becoming a mum, she swapped the mosh pit for toys and tantrums and is the author of children’s books telling stories of friendship, hope and adventure. She lives on the Surf Coast of Victoria, Australia, with her surf mad family and skateboarding cat, Luna. Stef won the children’s category of the International Rubery Book Awards with her picture book A Home For Luna in 2020. Toy Mountain is her third book.

Katharine Hall is an illustrator based in Wellington, New Zealand. From her studio in Aotearoa, she tells stories that translate across language – specialising in ink work and digital design. In addition to picture book illustration, she has also worked on various projects for individuals, start-ups and businesses both big and small. Her lively, happy-go-lucky, and detailed style is inspired by a few simple loves; intricate details, fluffy cats, funny stories, bright colours, and nature. The quirky stuff in between is always an option too!