In this tenth book in the USA Today bestselling Unicorn Diaries series, Unicorn Bo and friends can't wait to spot a witch! Witches live high above the clouds and are rarely seen flying in the sky. But on one fateful day, a young witch named Charm crash lands in Sparklegrove Forest! The unicorns are super excited to meet a witch for the first time. But when they realize the witch is in trouble, will the unicorns be able to help Charm find her way back home? With full-color artwork throughout and plenty of smiles, your young reader won't be able to put this book down!