Treasure House: Composition Pupil Books are aimed at ages 6-11. They include both classic and contemporary fiction and non-fiction, which stimulate children to think, talk and write for a range of purposes.This Treasure House pupil book:. covers all the composition skills in the 2014 National Curriculum. includes a wide variety of fiction and non-fiction extracts, with detailed annotations explaining how each showcases a particular composition skill. accompanies each extract with carefully structured questions building up to a piece of writing. ensures pupils will become assured, proficient writers.