Eliza and the flower fairies

"Imagine a door. A teeny-tiny fairy door. Now imagine it is magic. Open the door. To some, the low door in Eliza's bedroom might look like an ordinary entrance to a crawl space under the stairs. But to a believer like Eliza of the Elves, it's the door to the Land of UnderStair, a secret hideout all her own. In that crawl space, festooned with twinkling lights, Eliza keeps her favorite book, her collections of precious items, her stuffed animals,...