Who is the publisher of book The Witches?

The publisher of the book "The Witches" by Roald Dahl is Puffin Books.

It's important to note that while the original book was published in 1983, there have been numerous reprints and editions over the years. Puffin Books is a well-known imprint of Penguin Random House, and they are the primary publisher of Dahl's works.