Celebrate Halloween with this magical, unicorn picture book by Diane Alber! Even if everyone says "NEVER let a unicorn trick-or-treat" one little girl is determined to have the very best Halloween EVER with her pet unicorn! There's just one problem: it turns out unicorns are scared of EVERYTHING, including. PUMPKINS CANDY even COSTUMES! As trick-or-treating morphs into unplanned Halloween hijinks, a little girl and her unicorn realize that candy chaos and silly spooks are best when shared with a friend. From bestselling author Diane Alber, creator of the Spot and Scribble series, comes a hilarious picture book perfect for Halloween. With silly illustrations and laugh-out-loud text, parents, educators, and children ages 4-10 will love this silly-spooky story. This Halloween picture book is the perfect read-aloud or gift opportunity for spooky season, boo baskets, birthdays, and more! But as soon as I put on my costume, Unicorn looked very upset. She immediately galloped off and came back with. Also in the Never Let A series: Never Let a Dinosaur Scribble Never Let A Unicorn Wear a Tutu Never Let a Unicorn Meet a Reindeer Never Let a Unicorn Make Slime and more!.