As she turns twelve during the summer of 1953, Penny gains new insights into herself and her family while also learning a secret about her father's death.

Babymouse joins the school Film Club and writes the greatest cinematic masterpiece of all time! But when the movie gets shown to the entire school, will it be a box office hit or a flop?

When her school library holds a fundraiser, the imaginative Babymouse is determined to sell the most cupcakes and win the grand prize.

Meet the Evil Princess and the Brave Knight. She casts terrible spells, while he fights dragons. He rescues cats in distress, while she makes mischief. No wonder there isn't much peace in this kingdom! But is the Evil Princess really so evil? And is the Brave Knight truly as chivalrous as he seems?

Babymouse imagines the biggest, most wonderful birthday party ever for herself and tries to make it happen, but Felicia is planning her own birthday bash for the very same day.

A spunky mouse with an active imagination is determined to get the latest electronic gadget for Christmas even if she has to out-fox Santa himself to get it.

Babymouse discovers Squish, a new species of amoeba, while working on a school science fair project.

An imaginative young mouse is terrified to face her enemy in dodgeball, but with the help of her best friend and support from her mother, she not only plays the game, she proves herself a hero.

Babymouse tries out for the middle school play, but instead of landing the lead role, she gets stuck with playing a clown with one line of dialogue.

As tryouts for the school musical begin, Babymouse takes the starring role in several imaginary Broadway productions, which also feature her debonair new classmate, Henry the hedgehog.