The greatest mash-up in the entire Whoniverse is here! Doctor Who meets Roger Hargreaves' Mr Men in this new series of stories, written and illustrated by Adam Hargreaves. In Dr. Twelfth, join the Twelfth Doctor and Missy on an amazing new adventure through time and space . . .
Adam Hargreaves is an English author and illustrator. The son of Roger Hargreaves, he continues his father's popular Mr. Men and Little Miss series of children's books. Roger Hargreaves is best remembered as the creator, author and illustrator of the Mr. Men and Little Miss series of books as well as Albert the Alphabetical Elephant, Count Worm, and Grandfather Clock.