An enchanting novelty book about a quick-thinking little girl and a unicorn, with magical lift-the-flap surprises to open throughout. On a day full of rainbows, a little girl finds a unicorn knocking on the door of her treehouse.The unicorn must be lost! Luckily the girl knows just what to do. Together they visit places all around the town to see if they can find the unicorn’s home.From the pet shop to the funfair, children will love lifting the flaps to find out more about where the girl and the unicorn are heading on their delightful adventure. And they might just discover that the perfect home was a lot closer than they imagined. * * * Lift the flaps to read the magical letters and collect the rest of the Post Bag series:DRAGON POST – A fiery story about friendship and asking for help“An adorable story…” Mail on SundaySANTA POST– A festive story about finding the perfect present“A joyful picture book.” The BooksellerMONSTER POST – A hilarious novelty book about a quick-thinking child and a soft-hearted beast"A riotous picture book party." The Guardian Review