Mira, her UBFF (Unicorn Best Friends Forever) Dave and Class Red are super excited because they've been given a dragon egg to look after! The only problem is theirs' is refusing to hatch! How will the gang encourage their new class pet out of its shell? And what adventures will happen when they discover it's a super-rare - and fast growing! - Ice Dragon?

The Naughtiest Unicorn series:
The Naughtiest Unicorn
The Naughtiest Unicorn at Sports Day
The Naughtiest Unicorn and the School Disco
The Naughtiest Unicorn on the Beach
The Naughtiest Unicorn on a School Trip
The Naughtiest Unicorn and the Spooky Surprise
The Naughtiest Unicorn at Christmas
The Naughtiest Unicorn on Holiday
The Naughtiest Unicorn on a Treasure Hunt
The Naughtiest Unicorn in a Winter Wonderland
The Naughtiest Unicorn and the Firework Festival