Antonia "Tonke" Johanna Willemina Dragt is a Dutch writer and illustrator of children's literature. Her book De brief voor de koning was chosen by CPNB as the best Dutch youth book of the latter half of the twentieth century.

The Letter for the King is a book by the Dutch writer Tonke Dragt, first published in 1962. Proceeding, The Secrets of the Wild Wood, was published in 1965, and a collection of follow-up short stories, The Dangerous Window and other stories, in 1979. De brief voor de koning was chosen as the best Dutch youth book of the latter half of the 20th century.