Okay, so imagine you want to make a book, but you don't have a big fancy printing press like they use in big book factories. Well, that's where Cuala Press comes in! It's like a tiny printing press for making special, fancy books by hand.
Someone gets a big piece of metal and carves a design into it with little tools. Then, they put ink on the metal and press it onto a piece of paper. This makes a copy of the design on the metal.
All the different copies of the design are put together to make a book. The book is printed on special paper that is really nice to touch and look at. It's like having your own special book that no one else has!
So, in summary, Cuala Press is a special type of printing press that makes really cool books by hand using metal designs and special paper.