Crack the Safe: Level 3
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Level 3 is very similar to Levels 1 and 2...but tougher! There is one important difference: there are 4 digits in each combination. This adds a bit more complexity, and requires an extra level of reasoning for the solution process.
Inside, you will find 30 unique puzzles, each containing a 4-digit combination lock, and the difficulty increases from start to finish.
Full description below.
In our Crack The Safe books, pure reasoning is the name of the game. The format is such that the clues are easy to digest and, in a sense, obvious. There's no need to translate verbal statements into logical facts, as is the case in our Grids For Kids books. Instead, all of the solver's effort is focused on the reasoning process. So put on your Sherlock Holmes hat and remember: this time, you're not nabbing the safe cracker, you ARE the safe cracker!
This book consists of 30 puzzles, as well as detailed solution tutorials. Each puzzle involves finding the correct combination for a combination lock, given certain clues regarding the "closeness" of some incorrect guesses.
The puzzles progress in order from easiest to more difficult. All lock combinations in this Level 3 book contain four digits. Repeated digits are not allowed.
This book consists of 30 puzzles, as well as detailed solution tutorials. Each puzzle involves finding the correct combination for a combination lock, given certain clues regarding the "closeness" of some incorrect guesses.
The puzzles progress in order from easiest to more difficult. All lock combinations in this Level 3 book contain four digits. Repeated digits are not allowed.
