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The quirky residents of Hotel Strange are busy planning a music festival, until thieves kidnap Marietta and Mr. Leclair. In order to save their friends (and the music festival), they must find a missing sapphire.
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Kiki, a resident of Hotel Strange, has some good fortune when he discovers a crown in the woods. A group of mushroom people rush to call him their ruler, agreeing to do his bidding.
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Mr. Snarf has been a bad ghost. He hasn't scared people. In fact, he's even made friends! Now some grumpy ghosts are taking him away from Hotel Strange. Can the hotel's other residents rescue him?
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A puzzle left behind by Sifu Faiza's grandfather has everyone stumped. A circle divided into wedges shows part of the formula for an ancient medicine. But some of the wedges are blank, and no one knows how or why the original formula disappeared! Joy, Adam, Amy, and Sam will have to use clues--and fractions--to discover the truth about . . . The Ancient Formula.
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The science club has created a big "book bandit" sculpture in the public library. But how did they get the sculpture in through the tiny library window? The kids know they can solve the puzzle, but it will take all of their geometry skills plus some cooperation to size up . . . The Book Bandit.
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A trickster dumped a complicated concoction of chemicals from the science lab into the school's fountain, and now the fish are in danger! Stacy and her friends must use multiplication and division to solve the who, what, and when behind . . . The Fishy Fountain.
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Somebody has stolen money from the soccer team. Everyone thinks Tom, the team's big bully, did it, but he says it wasn't him. Should Adam, Amy, Joy, and Sam believe him and help? They will have to figure out how much money was stolen--and also why! The kids work with dollars and cents to find . . . The Hundred-Dollar Robber.
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Is what Adam and Tom overhear true? Is Sifu Faiza selling the kung fu school? And can they find a way to change her mind in time? All the kids get together to help, but they'll have to figure out a mysterious puzzle about hours, minutes, and temperature to find the unexpected solution in . . . The Kung Fu Puzzle.
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At Sifu Faiza's Kung Fu School, kids learn to be strong and fast. They also learn to be smart, cool-headed, and honest. So Joy, Adam, Sam, and Amy are surprised when the key to the school is stolen--as well as all their kung fu gear. Now they'll have to use all kinds of calculations--addition, subtraction, multiplication, and division--to figure out the clues, follow the thieves, and find . . . The Lost Key.
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Amy's playful new puppy, Brada, has escaped! The other kids want to help Amy look for her. They'll use what they know about where she has gone in the past--and probability--to find . . . The Runaway Puppy.
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