Martha, a young mouse with a sensible big sister and a cute little brother, begins to feel invisible and decides to run away, but at the end of the garden she meets a wise frog who points out just how special the middle can be.

Illustrations and easy-to-read text celebrate the joys of being the middle child in a loving family of rabbits.

"Even though her family calls her Emma Bemma, Emma knows she is really just Medium. That's because she's the middle kid between her two brothers, who everyone calls Big and Little. Big thinks he's the coolest kid on the planet now that he's 10. And everyone thinks Little is just adorable even when he picks his nose and eats it! What if she could get out of being the middle by taking on a new role? What if she acted big? Or even bigger than that?"--Provided...

Usually Zeke loves Halloween, but this year things just seem to be going wrong--he is having trouble finding a good costume, the costume parade at school is a disaster, and he has to take his little sister trick-or-treating.

As if coming up with a school project at the last minute is not enough trouble, Zeke also has to deal with his cousin Sam--who is just too perfect to be completely believable.

Tired of being the middle sister, eleven-year-old Addie Asante uses a magical bracelet to switch places with her thirteen-year-old sister and discovers that being older is not necessarily easier--and worse, her baby sister is now living as Addie.

Gregory Korenstein-Jasperton is an eleven-year-old boy who likes to write stories and poems and is not excited by math, but he has a problem--he is the middle child in a family of math geniuses and his father expects him to participate in the City Math contest.