Maths whizz Alice Jones has already cracked a mystery or two. But when a scientist vanishes from a locked room, she faces her toughest case yet. Dr Learner had been working on an invisibility suit, but is wacky science really behind his disappearance? Or is it something more sinister? Fearless Alice won't stop till she knows the truth . . .
Record details
ISBN:9780545940252 (hardcover) :
Physical Description:print regular print 293 pages ; 20 cm.
Publisher:New York :Chicken House, an imprint of Scholastic, Inc.[2017]
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