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Rating: 
Summary: Flawed! One of the worst ever! Please save your money!
Review: Critical thinking puzzles are not supposed to have any flaws. Some of these puzzles have multiple answers or are ambiguous. One example is early in the book. The puzzle 'Leftovers Again?' says that students are taught to turn a 1-ounce bag of clay into a statue. The quote in the book says, "For every five statues made, there is enough to make one more statue. Suppose a student is presented with 25 ounces of clay. What is the maximum number of statues he can sculpt?" According to the way it's written, most people, if not all, will answer 30. The book says 31. Incorrect! The puzzle says "for every five statues made, there is enough to make one more statue." It does NOT say for every five statues made, there is one ounce left over. If it were written this way, 31 would be the correct answer.
That is just one example. Trust me on this. The book is full of them. Save your money and buy another book. There's a reason why it's selling used for $1.75.
Rating:
Summary: Flawed! One of the worst ever! Please save your money!
Review: Critical thinking puzzles are not supposed to have any flaws. Some of these puzzles have multiple answers or are ambiguous. One example is early in the book. The puzzle 'Leftovers Again?' says that students are taught to turn a 1-ounce bag of clay into a statue. The quote in the book says, "For every five statues made, there is enough to make one more statue. Suppose a student is presented with 25 ounces of clay. What is the maximum number of statues he can sculpt?" According to the way it's written, most people, if not all, will answer 30. The book says 31. Incorrect! The puzzle says "for every five statues made, there is enough to make one more statue." It does NOT say for every five statues made, there is one ounce left over. If it were written this way, 31 would be the correct answer.
That is just one example. Trust me on this. The book is full of them. Save your money and buy another book. There's a reason why it's selling used for $1.75.
Rating: 
Summary: Fun but with some flaws
Review: The book is a blend of somewhat easy and somewhat difficult puzzles. Most people will certainly find a challenge within. However, there are what appear to be some errors in some of the solutions, one of which has been pointed out by another reviewer.For the most part, the provided solutions adequately explain the puzzle, which is not always the case among puzzle books of this type.
Rating:
Summary: Fun but with some flaws
Review: The book is a blend of somewhat easy and somewhat difficult puzzles. Most people will certainly find a challenge within. However, there are what appear to be some errors in some of the solutions, one of which has been pointed out by another reviewer. For the most part, the provided solutions adequately explain the puzzle, which is not always the case among puzzle books of this type.
Rating: 
Summary: Fun and Instructional
Review: Who says you can't have fun and sharpen your thinking at the same time?
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