Official World Book Day GBP1 book!TOP SECRET: UNICORN RIDERS ONLYPeek inside Sophia and Wildstar's magical world and find out what Sophia really thinks of their first year together at Unicorn Academy in this exclusive mini World Book Day diary!Filled with sparkling unicorns, epic adventures and mysterious secrets . . . Are you ready for something magical?Includes a FREE Nosy Crow Stories Aloud (R) audiobook! Scan the code, hear the story. Based on the original New York Times bestselling chapter book series by Julie Sykes and Linda Chapman.