Izzy the Inventor and the Time Travelling Gnome - 9781474999793
ISBN-13: 9781474999793, 978-1474999793. Henry the unicorn is trapped in a tall tower in Fairytale Land and it's up to Izzy to save him. Izzy the Inventor and the Curse of Doom. Izzy the Inventor and the Teeny-Tiny Ogres.