Meet Rainbow Tinseltail and the unicorns of Sparklegrove Forest, in this magical series from the creator of the bestselling Owl Diaries series! Bo Tinseltail loves going to Sparklegrove School with the other unicorns. Every unicorn has a magical power. Bo is a Wish Unicorn with the power to grant wishes. Bo has lots of friends, but one thing Bo wants more than anything is a best friend. When a new unicorn named Sunny Huckleberry pops into the forest, will Bo's big wish finally come true? And what will Sunny's Unicorn Power be?