This ain't a diary, this is a - mirror?

“A universe of animals and useless powers? No matter how strange it may seem, that's the norm in the world of Samantha Rowell, a rebellious teenager who can communicate with the creatures beyond her world. Oh, and did I mention that she's a dog? Welcome to the world of Samantha Rowell, a teenager who holds a book that may just be the answer to everything.”