A girl, Zoey, and her cat, Sassafras use science experiments to help a monster with a problem.

"When her beloved mama falls ill from the ever-creeping mold overtaking their world, twelve-year-old fairy Canary Mossheart, armed with only a bucket and a prayer, sets out to find a magical, underground lake with healing powers but instead finds a terrifying secret."--

"It's the summer of 2015, Brooklyn. The city is sweltering from another record-breaking heat wave, this one accompanied by biblical rains. Edith, a recently retired legal librarian, and her identical twin sister, Kat, a feckless romantic who's mistaken her own eccentricity for originality, discover something ominous in their hall closet: it seems to be phosphorescent, it's a mushroom . . . and it's sprouting from their wall. Upstairs, their landlady,...

"An introduction to slime molds. "These unusual living things ooze over dead leaves and old wood feeding on these substances and acting as one of nature's clean-up crews. And even though a blob of slime mold has no brain, it spreads out tendrils that work as a team telling each other when they find some food"--Publisher."--

When his new best friend, Ben, decides to run for class president, fourth-grade science whiz Phineas MacGuire reluctantly agrees to be his campaign manager in exchange for help with his latest experiment--cultivating exhibits for a mold museum.

"This book is for the millions of struggling patients who have, through no fault of their own, become unusually sensitive to the normal stimuli of light, sound, touch, food, chemicals, and EMF, such that they can no longer tolerate those stimuli without significant suffering ... This book will bring a new understanding of the neurology, physiology and biochemistry of what creates this kind of sensitivity, and the medical conditions that are most likely...