This is the kind of children's fantasy that reminds you why the genre exists. Rundell doesn't write down to kids—she writes rich, imaginative stories with real stakes, complex characters, and prose that sings. The Poisoned King delivers everything you want in a sequel: higher stakes, deeper world-building, and characters you actually care about.

The production alone tells you this is special—foil, embossing, stained edges, 50 illustrations including a bestiary. This is a book kids will keep on their shelves into adulthood. The story involves genuine peril (death-defying plans aren't just marketing copy), but it's handled with the emotional intelligence that makes Rundell one of the best in the business.

If your kid loved the first book, this is a no-brainer. If they haven't started the series yet, get both books and clear their weekend schedule.