This season, children's fiction hails a new superhero in the form of King Charles III, who stars in a galore of picture books to mark the Coronation. For the youngest readers, The King's Coronation by Marion Billet (Campbell, £6.99) is a skilfully immersive board book, talking us through the big day with catchy rhyming text: ‘It's coronation day today/The London crowds are on their way!’
Alas, events unfold less smoothly in (OUP, £7.99) by Rosalind Spark, in which His Majesty's
