My Baby Sister is a Diplodocus

It's hard to be a new big brother, as the unnamed protagonist of My Baby Sister is a Diplodocus discovers. The initial excitement fades and turns to frustration when he can't play with her in the ways he'd like to—leaving him no choice but to put on his dinosaur costume and become a T.rex. Petit's bright colors and bold illustrations make this title a standout in the "New Baby" genre.