You want the kind of book a child can hear a chapter of, tell straight back to you in their own words, and then draw or map or write about in a notebook, the classic Charlotte Mason loop of narration and notebooking. This is that shelf. Every title here is a living book, one strong topic told as a story rather than a list of facts, and each is built out of short, shapely pieces a child can hold whole and hand back. Pick by subject, fables, birds, legends, geography, tide pools, history, and by which child is doing the reading. Any single book here does the whole job on its own.
Every book here clears one bar: it's a living book a child can narrate back and notebook about, one clear subject told as a story rather than a heap of facts. That means short, shapely pieces a child can hold in their head and hand back whole, fables, legends, one bird or one hermit crab or one wooden canoe followed all the way through, a country's history told reign by reign. They're loosely arranged from the most accessible entry to the most demanding, but any one of them satisfies the whole idea on its own. Pick by subject and by child: fables to start the youngest narrating, birds and tide pools and a canoe's journey for nature and geography, legends and two big history spines for the older, fluent reader ready to carry a longer story.