Into the Wardrobe: Grimbold’s Other World, by Nicholas Stuart Gray
“… Raised by a farming couple, he’s a dreamer, poet and storyteller who acts as the village goatherd. He is kind and likes to be useful. Sick at home one night, he’s visited by a talking cat who asks for his help, tells him how to ask the fire to cure his cold, and takes him across into the night-world to free another boy who’s trapped in a bad situation. …”