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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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Sam's little sister Michelle thinks there's a ghost in the creepy old house their dad bought. With help from a couple of friends on the soccer team, Sam, Amy, and Michelle use an old ghost story--plus measuring tools and calculations for distance, volume, and perimeters--to figure out the truth behind . . . The Secret Ghost.
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James McCarthy is the only suspect in his father's murder. Yet Sherlock Holmes and James's childhood friend Alice Turner believe he is innocent. Can Holmes unveil the real story behind the murder in Boscombe Valley in time?
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Who killed Captain Peter Carey? Everyone knows that Captain Carey, nicknamed Black Peter, was a nasty, cruel character. But who would murder him and why? Can Holmes, Watson, and Inspector Lestrade find the brutal killer before it's too late?
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When Miss Susan Cushing receives a package with gruesome contents, she cannot imagine who sent it. While Inspector Lestrade dismisses the package as a practical joke, Holmes fears the worst. Can Holmes and Watson discover the sender?
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John Garrideb must find two more men with the same last name to obtain a deceased Garrideb's fortune. John finds Nathan Garrideb in London. But when Nathan seeks Holmes and Watson for help, what dark secret will Holmes reveal?
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