When Nina writes a letter to Cleopatra, she's astonished when the last Pharaoh herself writes back-it's the start of an incredible adventure as Nina and her friends become pen pals with great women of the past!

A school election. A mysterious mailbox. And a letter from . . . Cleopatra?

Middle school is so weird. Nina's best friend Maya has her heart set on being elected class representative. The trouble is, she's running against the super popular Kai Nakamura. Together, the girls come up with a plan to expose Kai's less than honourable intentions. But things go wrong-like seriously wrong. As a result, Nina is given her first ever detention. There, she has an assignment- write a letter to a woman from history. Dear Cleopatra, Nina starts.

On a long-cut home, Nina and Maya stumble upon a battered old mailbox in the woods. The girls drop Nina's letter into it, hoping that's the end of this terrible day. Turns out, it's only the beginning. Because the next day, Nina finds a giant scroll adorned with hieroglyphics and a single signature at the bottom- Cleopatra VII Thea Philopator.

As the girls scramble to put Cleopatra's strategy for winning their school election into action, a mystery unfolds- Did this letter really come from the past? If so, how? There's only one way to find out. But who should they write to next?