There's a house in an ordinary street in an ordinary town with a staircase that people go up, but never come down ... To solve the mystery of the man upstairs, the Doctor must pass himself off as a normal human being, and share the downstairs flat with Craig Owens.
A photo comic that's based on a TV episode that's based on a comic from Doctor Who Magazine. It's a light, shortened adaptation for younger readers. Thus, it's okay. Some things can be unclear at first due to the format, but that's to be expected from these things.