Unicorn Time Machine (graphic novel) by Dana Simpson (ages 8-12ys)

In this exciting new collection of Phoebe and Her Unicorn comics, 10-year-old Phoebe Howell and her magical unicorn best friend, Marigold, enjoy a series of fantastical adventures.

Phoebe goes back in time to meet her father as a kid and makes some surprising discoveries. Marigold reveals that she sometimes puts the world on mute, a power that Phoebe quickly learns is easy to overuse. And at the Unicorn Award Ceremony, the pair launch a campaign to get Marigold the highest honor. It's all part of the unique bond within one of the most memorable friendships in recent comics history.

this graphic novel has 176 pages and is suitable for people ages 8-12 years old.