From School Library Journal
Grade 4-6-The day Nina Zabin finds a luminous bottle of mysterious powder in her substitute teacher's art bag, she inadvertently wreaks havoc on her world. Suddenly, the 62 she got on her social studies test turns into a 100, and she is representing her fifth-grade class in the Brain-Busters Extravaganza. Her best friend, Isobel, always the smart one, is green with envy, while her clueless mother is pleased as punch. Resigned to losing Isobel's friendship, she tries to use the magic to get the singing lessons she so desperately wants. The day of the competition, she is unable to talk without sounding like a radio jingle or an operatic aria. Her tears cause an inexplicable flood onstage, and she runs home, mortified. Her widowed mom takes her to a child psychologist; his wise words help Nina to finally use the magic one last time to fix things. The powder's power is never really explained, but Nina ends up with her old best friend and a couple of new ones, a happy mom, and singing lessons with the substitute teacher who started it all. The novel's strands tie together in a satisfying resolution, and the singing fiasco is truly hilarious. Despite the magical element, this is largely realistic fiction about knowing oneself and being true to one's dreams.
Barbara Auerbach, New York City Public SchoolsCopyright © Reed Business Information, a division of Reed Elsevier Inc. All rights reserved.
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Gr. 4-6. Interference powder is more than just a creative title here; it refers to ground-up mica that artists use to give an extra shimmer to their paintings. After fifth-grader Nina Zabin receives a 68 on her history test, she paints a picture of herself handing the test to her mother with a perfect score. Finding some interference powder in her art teacher's bag, she sprinkles it on her painting. But the powder does more than give a shine to the painting; it magically transforms her grade! Then, to her horror, Nina discovers that her high score means that she must represent her class in an all-school history quiz. Along the way, the interference powder causes more havoc, culminating in Nina's finding that every time she opens her mouth, her words come out in song. All is resolved by the conclusion, and Nina is able to take singing lessons--something she has wanted to do all along. Despite the familiar setup, the novel has a winning central character and some funny scenes that many young readers will enjoy.
Todd MorningCopyright © American Library Association. All rights reserved
--This text refers to an out of print or unavailable edition of this title.