It's hitting at the deepest level. No Fat Creating nonfiction for very young children presents some unique challenges for the publishers. This is probably because writing nonfiction for the very young is extremely difficult. But in fact, the simpler anything is, the harder it is. Everything shows more.
Every word has to be just right.
Places to Discover Ford suggests that writers can learn to write for very young children by studying books already published. Look at the books that the local children's librarians or children's booksellers recommend. They know what works. Underdown reminds writers to check the yearly lists put out by various teacher's associations. The National Science Teachers Association collaborates with the CBC to put out a similar list of notable science books for children.