Alice Jones enjoys solving math problems and little mysteries for her classmates, but now one of them has asked her to figure out how a scientist who was working on invisibility disappeared from his locked lab--and solving this problem could actually lead Alice into real danger, because someone does not want him found.
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Details
ISBN: 0545940257
ISBN: 9780545940252
Physical Description:print293 pages
Edition:First edition.
Publisher:New York :Chicken House/Scholastic Inc.,2017.