Today's guest started out as a music journalist, writing articles on hard rock gigs, before marrying a lead singer of a band, having a baby and swapping the mosh-pit for toys, tantrums and penning children's books.

Her latest book, Toy Mountain is out now and to tell us all about it, along with empowering kids to care for the environment and tips on writing your text visually, it's the wonderful, the amazing, Stef Gemmill