Noting the recomendations within threads elsewhere lets highlight the two books so far suggested.
This book is an intensive general guide to DCC and is highly recommended by makemineadouble. It may be a bit more technical than the second book listed:-
The book makemineadouble would recommend for absolute beginners is "DCC made easy" currently on special at Amazon for 7.73 sterling. It's an easy to read and simple for beginners to understand:-

Link to Amazon for this book in the Resources section.
Any more recommendations?
Any Euro books available?
Happy modelling
Gary
This book is an intensive general guide to DCC and is highly recommended by makemineadouble. It may be a bit more technical than the second book listed:-

The book makemineadouble would recommend for absolute beginners is "DCC made easy" currently on special at Amazon for 7.73 sterling. It's an easy to read and simple for beginners to understand:-

Link to Amazon for this book in the Resources section.
Any more recommendations?

Any Euro books available?

Happy modelling
Gary