What could make Unicorn Island even more magical? Hidden treasure!  Continue the magic in this Unicorn Academy series, where students and their unicorn best friends race to find treasure!Follow the clues, solve the riddles, and find the hidden treasure in this spin-off of the wildly popular Unicorn Academy series!Sienna loves being the star of the show while her unicorn, Sparkle, is a bit more laid-back. But together, they make a great team! With the help of their friends, th