Life is not very ruff when you’re a royal pooch. Lupo, Prince William and Kate Middleton’s adorable black cocker spaniel, spends his days running around Kensington Gardens, attending polo matches, and going for walks on the beach with Mum and Dad. And now, he may be immortalized in a series of children’s books.

Author Abigail King has written the first book of the series, Lupo and the Secrets of Windsor Castle, and it’s scheduled for publication in the U.K. in September. It follows Lupo on a series of adventures as he tries to prove that he is not guilty of attacking a swan. Prince William, Duchess Kate, Prince George, and Queen Elizabeth are all set to make appearances—and so is a character based on one of the Queen’s pet corgis!

For more cuteness, check out our gallery of the many adorable angles of Prince George.