When three kids discover a book of magic spells that can only be cast during 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 Modesty 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 Room, To Repair a Chimney, To Walk With Stilts, To Untangle Yarn . Useless! But when Cal, his friend Drew, and 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.