"Girls who are settling into chapter book series...will love the fast pace and familiar school and family situations."--Horn Book The latest paperback in the Just Grace series, finds Grace’s best friend in the whole world, Mimi, on the verge of getting a brand-new sister. Grace is really excited, plus nervous, plus worried, plus happy all mixed together. But both Grace and Mimi are in for a surprise when they find out that Mimi’s family is not adopting a brand-new sister—and instead she is getting a brand-new brother. (Oh, brother!) And to heighten the excitement even further, Grace is in for a big surprise of her very own... Readers will be just as curious as Grace to find out what it is!