When three kids discover a book of magic spells that can only be cast a few short minutes a day, they'll need all the time they can get to save a dying magical world, its last dragon, and themselves!An ordinary day turns extraordinary when twelve-year-old Cal witnesses his neighbor summon a slew of lost coins without lifting a finger. Turns out she has a secret manual of magic spells...but they only work sometimes. And they're the most boring spells ever:To Change the Color of a RoomTo Repair a ChimneyTo Walk With StiltsTo Untangle YarnUseless! But when Cal, his friend Drew, and his neighbor Modesty are suddenly transported to the world the spells come from -- a world that's about to lose its last dragon -- they'll have to find a way to use the oddly specific incantations to save the day, if only they can figure out when magic works.From the inventive mind of Henry Clark comes a hilariously wacky adventure about magic, friendship, a lookout tower come to life, a maze in the shape of a dragon, an actual dragon named Phlogiston, and lots and lots of popcorn.